Material: zinc alloy Nickel free – allergy free Single Prong, Square buckle Measurement: external 2″ (50 mm) X 2 1/8″ (53 mm); internal 1 3/8″ (35 mm) X 1 5/8″ (40 mm) Fits 1 1/2″ (38 mm) wide belts with snap on features Descriptions Available in antique silver, antique brass and silver nickel free finish.Fits 1 1/2″ (38 mm) wide belts with snap on features