Dog pinch prong collar - 50145 (13) 1/6 inch (3.90 mm) Steel -Antique Copper plated ( Made in Germany ) : Prong Collars, Pinch Collars, Dog Training Collars, Curogan Collars, Chain Dog Collars, Fur Saver Collars, Choke Dog Collars, Herm Sprenger Collars, Dog Muzzles