Black Stainless Steel Pinch Prong Collar with Center-Plate and Click-Lock (ClicLock) Buckle (4 mm x 23 ⅗ inches) : Prong Collars, Pinch Collars, Dog Training Collars, Curogan Collars, Chain Dog Collars, Fur Saver Collars, Choke Dog Collars, Herm Sprenger Collars