Kryptonite KryptoLok Chain Lock This robust chain lock has links with a thickness of 9.5 mm and weighs 3.91 kg. The chain is directly connected to the locking cylinder, which ensures that there are fewer weak points for thieves. The locking cylinder is also protected against drilling or cracking. The nylon cover is durable and weatherproof and ensures that the frame of your bicycle is not damaged. Specifications: Color: black Chain material: steel Cover material: nylon Length: 150 cm Link thickness: 9.5 mm Weight: 3.91 kg Warranty: lifetime Contents: 1 Lock 2 Keys