1.5" 1 1/2" (38 mm) Premium Single Prong Square Belt Buckle Nickel freee - almost allergy freee Single Prong square replacement buckle Measurement: external 2 1/8" (53 mm) X 2 1/8" (53 mm); internal 1 5/8" (40 mm) X 1 5/8" (40 mm) Fits any belt 1 1/2" (38 mm) wide with snap on features, not work with stitched on belts. If your belt buckle is stitched on the belt, you may want a shoe maker to help you replace the buckle.