The Yale Standard Combination Cable lock is a lightweight, versatile and convenient standard security solution Featuring a twin lock that secures the cable in 2 places, and a steel ball click gear system that resists picking and pulling Provides superior protection from pick and pull attacks, features backlit tumblers for ease of use after dark With touch protective vinyl cable cover, a 4-digit combination (10,000 different combinations) with flexible cable for easy attachment and no keys to lose or forget The Yale Standard Combination Cable Lock is a practical everyday bike lock and weighs only 0.4 kg Can easily be stored in your back pack when you are out and about and the lock is not in use