Nickel Plated Martingale Half-Check Chains

6/2025 - we are discontinuing this product. Stock may sell out without notice. email us for definitive inventory. Hardware is on this page is meant for DIYers and home-sewing projects - this item is not meant to be added to a collar in your order. Please order a chain martingale collar directly from a product page or contact us regarding upgrades and add-ons. 2" Half Check Chains O-Ring: 2" inside ring, 2.282" outside ring Chain: 3.46" (from O-Ring to O-Ring with chain doubled) 1 1/2" Half Check Chains O-Ring: 1.5" inside ring, 1.785" outside ring Chain: 3.46" (from O-Ring to O-Ring with chain doubled) 1" Half Check Chains O-Ring: 1" inside ring, 1.285" outside ring Chain: 3.46" (from O-Ring to O-Ring with chain doubled) 3/4" Half Check Chains Chain: 3.29" (from O-Ring to O-Ring with chain doubled) O-Ring: 0.78" inside ring, 1.07" outside ring 1/2" Half Check Chains **works with 5/8" OR 1/2" webbing** O-Ring: 1/2" inside ring, 3/4" outside ring Chain: 3.17" (from O-Ring to O-Ring with chain doubled)