2" Wide, Chrome Plated Solid Steel Body Padlock, 1" Long Shackle, 3/8" Shackle Diameter, Keyed Different, Durable Body That Resists Rust & Corrosion, Dual Ball Locking For Added Protection From Prying & Hammering, Hardened Steel Shackle For Added Protection From Cutting & Sawing, 5 Pin Cylinder For Maximum Pick Resistance, Uses Master Lock Key Blank K81KRBOX Or Ilco Blank M4, 1092V, TV #633-800, Carded.