Body Size: 1-7/64" Thick X 2-1/2" Wide X 2-5/16" TallShackle Size: 7/16" Dia. X 2" TallMaterial: SteelKeyed DifferentOctogonal Hardened Boron-Carbide Shackle Offers Maximum Resistance To Cutting And SawingBall Bearing Locking For Maximum Pry ResistanceCovered Keyway For Maximum Weather ProtectionReinforced Body Bumper For Scratch ResistanceRemovable Cylinder - Ability To Rekey Your LockComes With 2 Keys