Lock Guard, Material Hardened Steel, Color Black, Corrosion Resistant Polyester Paint Finish, Height 4 In, Length 7 In, Width 5 In, Max Shackle Dia 7/16 In, For Use With Trailers and Ribbed Container Handles with Locking Hole in the Handle, Includes 2 In Hardened Steel Padlock with Rectangular Casing, 3/8 In x 2 1/2 In Hardened Steel Dual Locking Shackle, 5 Pin Tumbler with 2 Keys Lock Guards Restrictive lock cavity prevents shackle from being cut by vandals" bolt cutters and cutting tools. Sloped roofs deflect physical attack. Corrosion-resistant guard also protects lock from rain, sleet, and snow. Fully portable; install in seconds. Lock box installs in minutes. Fit most padlock brands. Lock not included unless indicated.