Herm Sprenger Curogan Dog Training Collar with Quick Release Buckle Ultra-Plus Pet Rounded Links Hypoallergenic Nickel Free No-Pull Collar for Dogs Made in Germany 3.2mm x 20in Medium

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 link collar comes with one D-ring for leash attachment | Size: This Herm Sprenger training collar is medium with 3.2 mm wire and 20 inches long (52cm) in overall length, will fit dogs with the neck size of Up To 18 inches. Collar should fit snuggly just below the dog's ears | Removable Links: Slightly beveled rounded link tips. Interlocking links, each link equipped with two blunt rounded tips. Links can be added to make the collar longer or removed to make it shorter. Up to 4 links can be added or removed | Made in Germany: You can always expect highest quality 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