PRODUCT INTRODUCTION:FeaturesApplications:1. The buckles are made of premium alloy, with high hardness and wear resistance, strong and durable. The surface is electroplated, smooth and burr-free, and not easy to rust and fade, creating a unique style for your crafts.2. Metal roller buckles are widely used on leather crafts such as belts, waistbands, straps, luggage straps, clothes, wallets, purse and collars. They are indispensable fastener accessories for DIY clothing.Specification:The inner dimensions of the single prong buckle are 1.06 x 0.86 inches/27 x 22mm (L x W). The package contains 8 metal roller buckles.Use and Warm Tips:1. The roller design of the metal roller buckle does not require additional pressure on the belt when buckling or un-buckling, which can effectively reduce the wear and friction of the leather and extend the service life of the belt to keep it in good shape.2. The belt buckle is used as a connector or shortener. The center bar can firmly fix the belt length, helping you adjust the belt or webbing to the right length.