Tianbang Gun Black 1.5" Inner Diameter D Ring D Rings Non Welded Pack of 10 D ring buckle inner diameter:1.5",inner height:0.85". D rin buckle wire diameter:0.2". Excellent for quick connect/disconnect belt & bag straps and more Can be used in various applications,sports equipment,pet products and so on Great for the use of collars,belts,backpacks, luggage