Astonishing Dog Pinch Prong Collar for Lifespan (10225-02) 1/11 inch (2.25 mm) private label : Prong Collars, Pinch Collars, Dog Training Collars, Curogan Collars, Chain Dog Collars, Fur Saver Collars, Choke Dog Collars, Herm Sprenger Collars, Dog Muzzles