EASY TO USE - This bike lock comes with two unique keys, so no one has the same one. You don't need to lock the bike with the key; you just click it together and leave. Tips: Regularly lubricating the lock hole and keyhole will extend the lock's service life. INCREASED THICKNESS, MORE SECURE - Flexible 12 mm (1/2 inch diameter) steel cable prevents severe cutting of your bike, and the PVC coating prevents scratches and rust. It won't crack even at low or high temperatures. Durable. MULTI-PURPOSE - The total length of this bike lock with key is 120 cm, ideal for bicycles, motorcycles, skateboards, scooters, carts, gates and fences, grills and lawn mowers, sports equipment, wagons, and more. SECURE AND PORTABLE - This bike cable lock features a simple locking mechanism when inserting the locking bolt, anti-rust and zinc alloy key core to prevent the bike from being stolen.