The only collar for training your dog. Stainless steel training collar design won't rust or tarnish over time. Makes training heavy-pulling dogs simple. Titan training collar 3.3mm 20 - this series of quality chain is argon welded and chrome plated for maximum strength and durability. - titan chain will not tarnish, rust, or break. Prongs unfasten to allow the collar to be placed on dog. Links may be removed for proper fit. Titan training collar 3.3mm 20... Strong, durable training collar distributes pressure evenly, and features a French snap for quick release with one hand. When worn under supervision, makes a great training tool. Add or subtract links to change collar length. The StarMark Collar provides gentle, effective control in a patented humane design. High strength link design fits together in a watchband pattern. Links can be removed or added with Add-A-Link sets to create the perfect fit for any size dog. Add-A-Links are sold in packs of three links in large and small size. Heavy Duty Training Collars For Assertive or Aggressive Dogs. Chrome-plated for durability with smooth rounded edges and removable rubber tips on prongs to prevent injury. These great training aids provide a heavy-duty yet safe alternative to standard choke chains. Ruggedly constructed of electronically welded steel for added strength. Guaranteed not to rust, tarnish or break. Extra links are sold separately and can be easily added to collars to customize the length. For prong collar sizing, measure around the dog's neck and add 1" รข?" 2". Prong collars should fit snug and high on dog's neck. Links can be added or removed to adjust fit. Strong, durable training collar distributes pressure evenly, and features a French snap for quick release with one hand. When worn under supervision, makes a great training tool. Add or subtract links to change collar length. Titan Collar G30This series of quality chain is argon welded and chrome plated for maximum strength and durability. The Titan Collar G30 will not tarnish, rust or break. Prongs unfasten to allow the collar to be placed on your dog. Links may be added or removed for proper fit.