Body Size: 1" Thick X 1-3/4" Wide X 1-9/16" TallShackle Size: 5/16" Dia. X 2-1/2" TallKeyed DifferentStainless Steel And Zinc Outer Components For Excellent Rust ProtectionOctagonal Hardened Boron-Carbide Shackle For Maximum Cut ResistanceDual Ball Bearing Locking For Maximum Pry ResistanceReinforced Body Bumper For Scratch ResistanceComes With 2 Keys