Metal Rectangle Adjuster Slides Buckle are suitable for making belts, harnesses and clothes, luggage belts and backpacks.Made of metal materials, exquisite craft, durable, not easy to fade.Great assortment for your applications.a variety of sizes set to suit different individual needs.Package included 20pcs Roller Pin Buckles, has 4 sizes of models in one package, can meet all your needs.This slide buckle can help you to adjust the length of strap, making it more suitable for you and prevent the straps change too long or too short.Specification:Material: IronColor: SilverSize Chart:Size: 32x16x2.8mm/1.26x0.63x0.11inch25x16x2.8mm/0.98x0.63x0.11inch20x13x2.8mm/0.79x0.51x0.11inch38x16x2.8mm/1.50x0.63x0.11inchPackage Includes:20 Pieces Slide Buckle