HS HERM. SPRENGER GERMANY Curogan Prong Dog Training Collar Ultra-Plus Pet Pinch Collar Hypoallergenic Nickel Free No-Pull Collar for Dogs Made in Germany 4mm x 25in Large

Curogan Prong Collar: 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 long (overall collar length) Removable Links: Slightly beveled prong tips. Interlocking links, each link equipped with two blunt prongs. 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: The collar should fit snuggly just below the dog's ears, measure the circumference of the dog's neck and add 2 inches Made in Germany: You can always expect the highest quality collars which are made in Germany by Herm Sprenger Guaranteed Not to 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.