High quality chain lock designed for long term bike parking. Keyless locking and dust cap to prevent dirt from entering the locking mechanism. The chain is made of hardened steel and is housed in a durable polyester case. The length of the chain is 110 cm, while its diameter is 9 mm. Safety Safety level 14 / 15 Anti-piercing insert protection plate Hardened steel chain Comfort Durable polyester cover Dust cover Construction Chain length 110 cm Chain diameter 9 mm Hardened steel