Omni Premium Quality 40mm Keyed Alike, Set of 12 Laminated Padlocks Commercial Grade, Hardened Shackle, Heavy Duty Lock 30mm laminated padlocks, all keyed alike. Each padlock comes with two keys. Laminated steel case: Layers of steel bound by eight solid steel stakes, provide maximum security. Hardened steel shackle. 5 Years Guaranteed exclusively from OMNI PRODUCTS USA