Case Hardened Steel Shackle Resists Sawing and Cutting, Weather-Resistant, Chrome Plated Laminated Steel Body, Solid Brass Cylinder and 4-Pin Tumbler , Cushioned Bumper will not Scratch Surfaces, Each Lock Includes 2-pc. Key Set, Same Key Opens All Four Locks, dimensions:, Body Width: 1-1/2-Inch (40mm), Shackle Clearance: 7/8-Inch (22mm) H x 3/4-Inch (19mm).