M1 Equivalent to 1092, 1K, 69, 92, MAS-1, MST10, MS1, MA1.Fits Master Padlock, Abus, Belwith, First Watch, Fortress, Parker and more. Compare
M2 Equivalent to 1092B, 7K, 92B, MAS-7, MS7, 4MA2.Fits Master Padlock, Ideal, Smith & Wesson, Spartan, Trelock and Wire Rope. Compare
M4 Equivalent to 1092V, 81KR, K81KR, M15, 92V, MAS-12D, MS9R, 5MA3, U92A.Fits Master Padlock. Compare
M5 Equivalent to 1092VM, 81KM, K81KM, 57, M3, M-4, 92VM, MAS-11D, MS4R, 5MA4.Fits Master Padlock. Compare
M10 Equivalent to 1092N, 15K, MA1, MAS-9, MS3, 5MA5, 92N.Fits Master Padlock, Acme, Bike Pal, Chalet, Craftsman, Donner, Sears and SS. Compare