The Squire CBW85 Hi-Security Shutter Combination Padlock has been designed to secure roller shutters. Built to resist the toughest of attacks and to work reliably in the harshest of environments, this padlock offers unrivalled product performance. The CBW85 has 5 wheels, offering over 100,000 different combinations, they can be coded alike so one code opens several locks. Recommended for roller shutters, vans, gates and storage units. Specifications: Body Dimensions (W x T): 83 x 19mm.Shackle Diameter: 12.7mm.Verticle Shackle Clearance: 37mm.