The Abus Chain Lock 6mm x 110cm Black combines good protection for medium risk of theft with a low weight - for convenient transportation. Specially hardened steel is used for both the 6 mm thick square chain and the lock housing making it resistant to attacks. The steel chain is covered with a distinctive textile sleeve - to prevent scratches to the bike's paintwork. The lock can be locked without a key - simply click the locking bolt into the lock body and is supplied with 2 keys.