Roller Buckles 1" Heavy Duty Nickel Finish 16 Pcs 16 pieces 1" Nickel Finish Square Roller Buckles. Solid Steel, Bright Nickel Finish Single Tongue "Heel" buckle with loose inside roller Perfect for belts, Harness Straps, Ornamental designs, saddlery, many other uses. Fits 1" leather or fabric strap or belt