Sturdy metal is light enough to wear comfortably. An antiqued silver finished traditional Celtic knot buckle that measures 2.25 by 3.125 inches. The background is a glazed black for a subtle contrast. The back of the buckle features a hinged loop to attach to the belt strap, and a prong to go into the belt’s holes. A great simplistic buckle to highlight your favorite belt strap.. Celtic Knot Belt Buckle by CTM. Fits up to 1.5 inch wide belt. Measures 2.25 by 3 1/8 inches. Large Celtic knots. Antiqued silver with black background.