The lock withstands over 16 tons of cutting pressure. The weatherproof nylon cover protects the bicycle from unsightly scratches or other damage. With a length of 100 cm, it provides enough room to secure multiple bicycles. The lock features a 15 mm thick shackle made of hardened Kryptonium special steel and 14 mm thick chain links made from extra hard 3t manganese steel. The reinforced high-security disc cylinder lock is secured against drilling. The double locking mechanism is extremely durable. Chain lock with security level 10.