ITEM NAME:20Pcs Metal D-Ring Webbing Buckle Loop Ring Strap Keeper Hand LeatherCraft Description: - Inner Diameter:(Approx.)21mm - Height:(Approx.)15mm - Material: Zinc Alloy - Multi-functional and durable buckle - Great for hundreds of uses collars, belts, backpacks and much more Package Included: 20 x Buckles.Material: Zinc Alloy. - Multi-functional and durable buckle. 20 x Buckles. - Height:(Approx.).