High quality chain lock designed for short or medium term bike parking.the rubberized lock is separable from the chain. The length of the chain is 85 cm, while its diameter is 6 mm. The chain is made of hardened steel and is housed in a durable polyester case. Safety Security Level 8 / 15 Comfort Durable polyester cover Rubberized lock Construction Chain length 85 mm Chain diameter 6 mm Hardened steel