Herm Sprenger 2.25 Black Stainless Steel Prong Collar

This pinch collar comes with the swivel ring; Size 2.25 mm wire by 16 inches overall collar length; Suitable for dogs with the neck size of up to 13 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