{"title":"Herm Sprenger Ultra-Plus Prong Collar — 2.25mm","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Herm Sprenger Ultra-Plus 2.25mm is the brand's most-used gauge, engineered for s \u003cstrong\u003emedium breeds\u003c\/strong\u003e where the 1.5mm Micro-Plus is too light and the 3.0mm\/3.2mm is too heavy and bulky. Made in Germany from high-grade stainless steel, it weighs under 90g and fits necks up to 33cm (extendable with additional links).\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eBest suited to dogs between 7 and 18kg — Cocker Spaniels, Staffies, French Bulldogs, Boston Terriers, Beagles, Cavalier King Charles Spaniels, Brittanys, smaller Springer Spaniels, Jack Russells, Border Terriers, Standard Schnauzers (smaller frame), Basenjis, and similarly-sized breeds. With the same precision-cast prongs and even pressure distribution found across the Herm Sprenger range, the Ultra-Plus is the brand's go-to gauge for everyday obedience work and precision drills.\u003c\/p\u003e","products":[{"product_id":"herm-sprenger-black-stainless-steel-ultra-plus-twin-o-ring-prong-dog-collar","title":"Herm Sprenger 2.25mm Stainless Steel Ultra Plus - Twin O Ring Prong Collar - Black","description":"\u003cp\u003e2.25mm Ultra-Plus Twin O Ring Prong Collar is the brand's most popular gauge — built for everyday training across small to medium breeds where precise, even-pressure feedback matters.\u003c\/p\u003e\n\u003cp\u003eMade in Germany from precision-cast components, the 2.25mm wire pairs with the centre-plate configuration first pioneered on Herm Sprenger's Neck Tech range. The twin O ring setup gives you flexibility on the lead — clip a single ring for standard correction, or both rings together for more direct, two-point feedback in higher-distraction work.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eBest suited to dogs between 7 and 18kg\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— Cocker Spaniels, French Bulldogs, Boston Terriers, Beagles, Cavalier King Charles Spaniels, Brittanys, Jack Russells, Border Terriers, Standard Schnauzers (smaller frame), and similarly-sized breeds.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eCommon use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eHeel work and obedience for medium-to-large dogs\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eReactive and redirected-aggression handling\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eSport, protection, and working-line training\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eStronger pullers where lighter gauges flex too much under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note\u003c\/strong\u003e: As with any training tool, you must condition the dog to the tool to ensure the best results. Training tools and equipment do not magically fix issues, but when introduced and conditioned properly, can improve and build strong communication between you and your dog.\u003c\/p\u003e\n\u003cp\u003eWe do not condone the improper use of our training prong collars. \u003cmeta charset=\"utf-8\"\u003eWe strongly recommend seeking professional advice before utilising any training tool. To browse our list of dog trainers and behaviourists, please click \u003ca href=\"https:\/\/k9-corner.co.uk\/pages\/dog-trainer-list\" title=\"recommended dog trainers\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e","brand":"Herm Sprenger","offers":[{"title":"2.25mm","offer_id":49510276432211,"sku":"K9_5003501057","price":36.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0899\/3138\/3123\/files\/Shopify_product_image_46.png?v=1736008621"},{"product_id":"herm-sprenger-stainless-steel-ultra-plus-twin-o-ring-prong-collar","title":"Herm Sprenger 2.25mm Stainless Steel Ultra Plus - Twin O Ring Prong Collar","description":"\u003cp\u003eThe 2.25mm Ultra-Plus Twin O Ring Prong Collar is the brand's most popular gauge — built for everyday training across small to medium breeds where precise, even-pressure feedback matters.\u003c\/p\u003e\n\u003cp\u003eMade in Germany from precision-cast components, the 2.25mm wire pairs with the centre-plate configuration first pioneered on Herm Sprenger's Neck Tech range. The twin O ring setup gives you flexibility on the lead — clip a single ring for standard correction, or both rings together for more direct, two-point feedback in higher-distraction work.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eBest suited to dogs between 7 and 18kg\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— Cocker Spaniels, French Bulldogs, Boston Terriers, Beagles, Cavalier King Charles Spaniels, Brittanys, Jack Russells, Border Terriers, Standard Schnauzers (smaller frame), and similarly-sized breeds.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003ePlease note\u003c\/strong\u003e: As with any training tool, you must condition the dog to the tool to ensure the best results. Training tools and equipment do not magically fix issues, but when introduced and conditioned properly, can improve and build strong communication between you and your dog.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eWe do not condone the improper use of our training prong collars. \u003cmeta charset=\"utf-8\"\u003eWe strongly recommend seeking professional advice before utilising any training tool. To browse our list of dog trainers and behaviourists, please click \u003ca title=\"recommended dog trainers\" href=\"https:\/\/k9-corner.co.uk\/pages\/dog-trainer-list\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e","brand":"Herm Sprenger","offers":[{"title":"2.25mm","offer_id":49510290653523,"sku":"k9_5003501055","price":36.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0899\/3138\/3123\/files\/Shopify_product_image_47.png?v=1736007924"},{"product_id":"herm-sprenger-black-stainless-steel-ultra-plus-swivel-d-ring-prong-collar","title":"Herm Sprenger 2.25mm Stainless Steel Ultra Plus - Swivel D Ring Prong Collar - Black","description":"\u003cp\u003e\u003cspan\u003eHerm Sprenger Stainless Steel Plated Ultra Plus prong collars for dogs feature the centre \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe Stainless Steel Herm Sprenger 2.25mm Ultra-Plus Swivel D Ring Prong Collar is the brand's most popular gauge — built for everyday training across small to medium breeds where precise, even-pressure feedback matters\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eBest suited to dogs between 7 and 18kg\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— Cocker Spaniels, French Bulldogs, Boston Terriers, Beagles, Cavalier King Charles Spaniels, Brittanys, Jack Russells, Border Terriers, Standard Schnauzers (smaller frame), and similarly-sized breeds.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eCommon use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eHeel work and obedience for medium-to-large dogs\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eReactive and redirected-aggression handling\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eSport, protection, and working-line training\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eStronger pullers where lighter gauges flex too much under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note\u003c\/strong\u003e: As with any training tool, you must condition the dog to the tool to ensure the best results. Training tools and equipment do not magically fix issues, but when introduced and conditioned properly, can improve and build strong communication between you and your dog.\u003c\/p\u003e\n\u003cp\u003eWe do not condone the improper use of our training prong collars. \u003cmeta charset=\"utf-8\"\u003eWe strongly recommend seeking professional advice before utilising any training tool. To browse our list of dog trainers and behaviourists, please click \u003ca title=\"recommended dog trainers\" href=\"https:\/\/k9-corner.co.uk\/pages\/dog-trainer-list\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e","brand":"Herm Sprenger","offers":[{"title":"2.25mm","offer_id":49510334202195,"sku":"K9_5013501057","price":36.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0899\/3138\/3123\/files\/Shopify_product_image_48.png?v=1755330649"},{"product_id":"herm-sprenger-curogan-twin-o-ring-prong-collar","title":"Herm Sprenger Curogan Ultra Plus 2.25mm - Twin O Ring Prong Dog Collar","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Curogan Herm Sprenger 2.25mm Ultra-Plus Twin O Ring Prong Collar is the brand's most popular gauge — built for everyday training across small to medium breeds where precise, even-pressure feedback matters.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eMade in Germany from precision-cast components, the 2.25mm wire pairs with the centre-plate configuration first pioneered on Herm Sprenger's Neck Tech range. The twin O ring setup gives you flexibility on the lead — clip a single ring for standard correction, or both rings together for more direct, two-point feedback in higher-distraction work.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eBest suited to dogs between 7 and 18kg\u003c\/strong\u003e — Cocker Spaniels, French Bulldogs, Boston Terriers, Beagles, Cavalier King Charles Spaniels, Brittanys, Jack Russells, Border Terriers, Standard Schnauzers (smaller frame), and similarly-sized breeds.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eCommon use cases:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eLoose-lead walking foundations\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eHeel work and obedience drills\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eReactive lead control on small to medium dogs\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eSport handling and precision work in the 7-18kg range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note\u003c\/strong\u003e: As with any training tool, you must condition the dog to the tool to ensure the best results. Training tools and equipment do not magically fix issues, but when introduced and conditioned properly, can improve and build strong communication between you and your dog.\u003c\/p\u003e\n\u003cp\u003eWe do not condone the improper use of our training prong collars. \u003cmeta charset=\"utf-8\"\u003eWe strongly recommend seeking professional advice before utilising any training tool. To browse our list of dog trainers and behaviourists, please click \u003ca title=\"recommended dog trainers\" href=\"https:\/\/k9-corner.co.uk\/pages\/dog-trainer-list\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e","brand":"Herm Sprenger","offers":[{"title":"2.25mm","offer_id":49775332688211,"sku":"K9_5003501067","price":40.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0899\/3138\/3123\/files\/Shopify_product_image_43.png?v=1736007617"},{"product_id":"herm-sprenger-stainless-steel-ultra-plus-swivel-d-ring-prong-collar-copy","title":"Herm Sprenger 2.25mm Steel Chrome Plated Ultra Plus -  Swivel D Ring Prong Collar","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eHerm Sprenger Steel Chrome Plated Ultra Plus prong collars for dogs feature the centre \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe Steel Chrome Herm Sprenger 2.25mm Ultra-Plus Swivel D Ring Prong Collar is the brand's most popular gauge — built for everyday training across small to medium breeds where precise, even-pressure feedback matters\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eBest suited to dogs between 7 and 18kg\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— Cocker Spaniels, French Bulldogs, Boston Terriers, Beagles, Cavalier King Charles Spaniels, Brittanys, Jack Russells, Border Terriers, Standard Schnauzers (smaller frame), and similarly-sized breeds.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eCommon use cases\u003c\/strong\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eHeel work and obedience for medium-to-large dogs\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eReactive and redirected-aggression handling\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eSport, protection, and working-line training\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eStronger pullers where lighter gauges flex too much under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Purchasing this collar is \u003cstrong\u003eONLY RECOMMENDED\u003c\/strong\u003e if you consulted a training professional experienced in using prong collars. This is not an easy fix to stop a dog pulling or apply corrections. It requires the dog to be taught how to respond to pressure.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe do not condone the improper use of our training prong collars. Please note; we do not advise the use of a training prong collar on dogs under the age of 7-9 months old (breed dependent). If you are new to utilizing a training prong collar, please seek the advice of an authorised trainer.\u003c\/span\u003e\u003c\/p\u003e","brand":"Herm Sprenger","offers":[{"title":"2.25mm","offer_id":51706749845843,"sku":"K9_5013501002","price":36.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0899\/3138\/3123\/files\/Shopify_product_image_49.png?v=1736008533"},{"product_id":"herm-sprenger-stainless-steel-ultra-plus-swivel-d-ring-prong-collar","title":"Herm Sprenger 2.25mm Stainless Steel Ultra Plus -  Swivel D Ring Prong Collar","description":"\u003cp\u003e\u003cspan\u003eHerm Sprenger Stainless Steel Plated Ultra Plus prong collars for dogs feature the centre \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe Stainless Steel Herm Sprenger 2.25mm Ultra-Plus Swivel D Ring Prong Collar is the brand's most popular gauge — built for everyday training across small to medium breeds where precise, even-pressure feedback matters\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eBest suited to dogs between 7 and 18kg\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e— Cocker Spaniels, French Bulldogs, Boston Terriers, Beagles, Cavalier King Charles Spaniels, Brittanys, Jack Russells, Border Terriers, Standard Schnauzers (smaller frame), and similarly-sized breeds.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eCommon use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eHeel work and obedience for medium-to-large dogs\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eReactive and redirected-aggression handling\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eSport, protection, and working-line training\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eStronger pullers where lighter gauges flex too much under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Purchasing this collar is \u003cstrong\u003eONLY RECOMMENDED\u003c\/strong\u003e if you consulted a training professional experienced in using prong collars. This is not an easy fix to stop a dog pulling or apply corrections. It requires the dog to be taught how to respond to pressure.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe do not condone the improper use of our training prong collars. Please note; we do not advise the use of a training prong collar on dogs under the age of 7-9 months old (breed dependent). If you are new to utilizing a training prong collar, please seek the advice of an authorised trainer.\u003c\/span\u003e\u003c\/p\u003e","brand":"Herm Sprenger","offers":[{"title":"2.25mm","offer_id":53709552550227,"sku":"K9_5013501055","price":36.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0899\/3138\/3123\/files\/Shopify_product_image_49.png?v=1736008533"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0899\/3138\/3123\/collections\/new_collections_29_dc4a9720-e666-4ce0-b02c-3b1baec90edc.png?v=1778013462","url":"https:\/\/k9-corner.co.uk\/collections\/herm-sprenger-micro-plus-prong-collar-1-5mm-copy.oembed","provider":"K9 Corner","version":"1.0","type":"link"}