Herm Sprenger Stainless Steel Prong Dog Training Collar Ultra-Plus Pet Pinch Collar No-Pull Collar for Dogs Anti Pull Training Collar Made in Germany 2.25mm x 16in Small

Stainless Steel Prong Collar: This model come with two O rings: Size Small 2.25mm x 16 inches overall collar length; Designed for dogs with Up TO 13 inches Neck Size | 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: Collar should fit snuggly just below the dog's ears, measure the circumference of dog's neck and add 3 inches | Made in Germany: You can always expect highest quality collars which are made in Germany by Herm Sprenger | Will Not Rust: German stainless steel will not rust and will perform for the years to come