HS HERM. SPRENGER GERMANY Black Stainless Steel Prong Dog Training Collar Ultra-Plus Pet Pinch Collar No-Pull Collar for Dogs Anti Pull Training Collar Made in Germany 4mm x 25in Large

Black Stainless Steel Prong Collar: This model come with two O rings: Size Large 4mm x 25 inches overall collar length; The collar will fit large (L) or extra-large (XL) dogs with a neck size of UP TO 21 inches 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 Guaranteed Not to Rust: Black German stainless steel will not rust and will perform for the years to come