The Master Lock 8143D Preset Combination Cable Lock is 4ft (1.2m) long and features a 5/16 in. (8 mm) diameter braided steel for maximum strength and flexibility. The protective vinyl coating protects against scratches. The 4-dial combination security offers keyless convenience. The Limited Lifetime Warranty provides peace of mind from a brand you know and can trust. Features: Bike lock is best used for basic security as a theft deterrent Preset four-digit combination bicycle lock for keyless convenience; combination cannot be changed Bike lock cable is self-coiling and features braided steel for strength and flexibility Protective vinyl coating prevents the cable from scratching your bike Bike cable lock is 4 ft (1.2 m) long with 5/16 in. (8 mm) Dia cable (includes vinyl coating)