Reliable Prong Collar with Quick Release Buckle - 10390 (02) 1/6 inch (3.99 mm) : Prong Collars, Pinch Collars, Dog Training Collars, Curogan Collars, Chain Dog Collars, Fur Saver Collars, Choke Dog Collars, Herm Sprenger Collars, Dog Muzzles