20 Pcs Single Prong Roller Buckles 19mm 25mm 32mm 38mm 50mm 3/4" 1" 1.25" 1.5" 2" for leather Belt Strap Nickle Gold Bronze Nickle-Black Material: Metal Color: Nickle Quantity: 20 Pcs Size: 19mm 3/4" Inside Wide: 3/4"(19mm); Inside Tall: approx 3/4"(19mm) ; Wire Thickness:3.8mm use for: leather or fabric strap or webbing and so on