Herm Sprenger Ultra-Plus 2.25mm x 16in Small Curogan Prong Dog Training Collar - Quick Release Buckle, Hypoallergenic Nickel-Free No-Pull Pinch Collar for Dogs - Made in Germany - Perfect for Obedience Training & Behavior Correction

The Herm Sprenger Curogan Training Collar with ClicLock quick release buckle is one of the most recognizable and popular names in obedience training tools. A safe and effective alternative to other training collars, it puts even pressure around the neck, about every half inch, pushing the skin in a band. This collar does not apply direct pressure to the trachea, so you can train your dog with little or no tugging, jerking, or pulling. The addition of a center plate connector allows the middle link to be configured symmetrically, enabling the links to tighten in the same direction. Made of high-quality Curogan (Copper and Tin allow). Curogan is completely Nickel free, which makes it a perfect choice for dogs who are allergic to nickel. The size of this collar can be adjusted by adding or removing the links individually. Features: interlocking links, each link equipped with two blunt links slips over the dog's head for easy on, easy off slightly beveled rounded link tips easy to increase or decrease in size. Additional links are sold separately. Sizing instructions: collar should fit snuggly just below the dog's ears, measure the circumference of the dog's neck and add 3 inches.

Curogan Training Collar with Cliclock Quick Release Buckle Curogan is a Copper and Tin Alloy; It does not contain nickel, thus making it a good choice for dogs who are allergic to nickel; This model comes with two O rings Size Small 2.25mm x 16 inches overall collar length

Removable Links Slightly beveled link tips; Interlocking links, each link equipped with two blunt points; Links can be added to make the collar longer or removed to make it shorter; Up to 4 links can be added or removed

How to Size Collar should fit snuggly just below the dog's ears, measure the circumference of the dog's neck and add 3 inches

Made in Germany You can always expect the highest quality from the collars which are made in Germany by Herm Sprenger

Will Not Rust Curogan will not rust but due to high copper content, the material can darken over time; This can be easily solved by using metal polish and it will look new again