Highly durable Kryptonite New York Chain 1210 & Evolution Disc Lock. Chain length 100cm.12mm hex chain links made from 3T manganese steel. Long, protective, nylon sleeve with loops to hold the sleeve in place. Evolution series 4 Disc Lock with 14mm steel "horseshoe". DOUBLE DEADBOLT mechanism for added security. High security disc lock body. Sliding guard protects the lock body and extends its life. Includes 3 keys - 1 LED key with replaceable battery and 2 ergonomic keys. Key Safe program - if keys are lost, send 1st pair of standard replacement keys free of charge. (registration required) Dimensions: 100cm length Protection level: 9/10