Designed to help you train your dog especially commands like heel, sit and stay. Features a quick-release snap that helps both you and your pup feel secure. Gently pinches your dog's neck, mimicking the pinch a mother dog gives her puppies. Great for walking strong pullers and large dogs, or during obedience training. Replacement links are available to increase collar size. Size: 2.0MM X 14" 3.0MM x 18" 3.3MM X 20" 4.0MM X 22" Material: Steel with chrome plated
