HIGH SECURITY: Chrome-plated, hardened steel shackle, this high-security 50mm shackle padlock with 3 keys is designed to increase the security in your space and prevent anyone from breaking the lock. Shackle dia: 8mm HEAVY DUTY: Heavy-duty Solid brass body with brass cylinder, the hardened steel shackle padlock is difficult to cut and twist, making it very difficult for pickers to unlock. DURABLE MATERIAL: Chrome-plated, hardened steel shackle, solid brass body, and stainless steel shackle is strong and durable. This padlock with key survived all destructive tests and is not easily broken. SUITABLE FOR OUTDOOR AND INDOOR USE: Multi-pin tumbler mechanism, you can use the lock for your garage, gate, shed, fence, bike, door, toolbox, gym locker, etc. BUNDLE OF KEYS: Includes 3 brass keys, this padlock comes with 3 keys to make sure you have a spare key for friends and family to use if required., Weight: 0.61508971098 pounds, Manufacturer: Dapetz