Amanaote Silvery 1.5" Inner Big Dia and 1.35" Inner Small Dia D Ring D Rings Welded Pack of 4 D ring buckle inner Big diameter:1.5",inner small diameter:1.35". D rin buckle wire diameter:0.16".Two bar distance:0.15". Can be used in various applications,sports equipment,pet products and so on Excellent for quick connect/disconnect belt & bag straps and more Great for the use of collars,belts,backpacks, luggage,handbag,camera bag accessories.