Description:Material – The center bar buckle is made of zinc alloy, with high hardness, no rust, wear resistance, corrosion resistance, not easy to break or deform, not easy to fade, and can be used for a long time.Adjustable Roller – The belt buckle has an adjustable roller; it is sturdy and can be rotated. Roller buckle can reduce the wear and friction of the belt, so that your belt can last longer and be in good condition.Function – The single prong belt buckle can be used as a connector or a shortener to help you adjust the webbing or belt to the appropriate length for easily tightening and loosening your leather craft.Wide Application – Rectangle belt buckle is widely used in webbing, straps, backpacks, handbags, belts, luggage straps, harnesses, clothes, shoes, wristbands, or other DIY leather crafts.