Combination of durable cut resistant U lock and extension steel cable, and the mounting bracket allows the lock to be mounted on the bike, easy and convenient to use. Besides, the cable lock can provide multiple versatility, it's your perfect choice! Features: High-quality cut resistant alloy steel U lock is so durable that hard to break or cut, which will firmly ensure the security of your bicycle. The U lock is covered by PP material, which can protect the lock from rain and water and prevent rusting. CNC machined copper lock with precise and complex inner structure can effectively prevent technical opening by thieves. With a durable 1 meter extension steel cable covered by comfortable and environmental silicone, it's convenient to lock the bike anywhere to keep the bike safe. A mounting bracket included, can be mounted on your bike easily and won't affect your riding, convenient to carry. Specification: Material: Alloy Steel & Silicone Color: Black Beam Diameter: 16mm / 0.6in Cable Length: 1.2m / 3.9ft Locked Space: 145 * 70mm / 5.7 * 2.7in Package Weight: 1250g / 44oz Package Size: 24.2 * 16.6 * 6cm / 9.5 * 6.5 * 2.3 Package List: 1 * U Lock 1 * Steel Cable 1 * Mounting Bracket 2 * Keys