BQLZR Silver Rectangle Metal Dee Ring D Webbing Belt Ribbon Buckle 25mm Strap Adjuster Pack of 20 Great for hundreds of uses collars, belts, backpacks and much more. Fit for 25mm webbing, also can be used in various applications such as sports equipment, pet products and so on. Note:It isn't welded,it can't be open unless open it by tools. Dimension:Outside:34 x 24mm/1.34 x 0.94"(L x W) Inside:25 x 16mm/0.98 x 0.63"(L x W)