Stainless Steel Outside — 62mm 60mm, inside — 40mm 1 X Buckle. Stainless Steel 3″ x 2″ 1 X Buckle. Zine Alloy 2.8″ x 2″ Fit For Belt Width 38mm/1.5″ 1 X Buckle. Stainless Steel Outside — 54mm 56mm, inside — 40mm.