High-quality materials: Our metal padlocks are made of high-quality white steel, zinc alloy, durable, waterproof, and weatherproof, you can use them at home and outdoors. Easy to use: The total length of the locking ring of this cable lock is 20 cm, the inner height of the lock is 8.5 cm, and the lock body is 3.3 * 2 * 3 cm. It is lightweight and flexible, so it is easy to use and carry. Sturdy: There are six anti-sawing steel pins in the lock body to effectively prevent sawing. Safe and reliable: The metal padlock with key is strong enough to provide good security and make you feel safe. It is not opened, which is safer and anti-theft. Wide Application: Our metal padlocks can be widely used in your daily life, can be used as bicycle locks, motorcycle locks, door locks. Can also be used in offices, schools, gyms, hotels, etc. Package Contents: One black padlock contains 3 keys + one red padlock contains 3 keys.