This Yale Locks Brass Padlock has a hardened steel shackle and 5 pin cylinder with double locking feature. Tested up to 96 hours for corrosion resistance to ensure protection against different weather conditions. Specifications: Body Width: 30mm.Body Height: 28.3mm.Body Depth: 13mm. Shackle Diameter: 5mm.Shackle Height: 17mm.Shackle Width: 15mm.