The Master Lock 8385D U-Lock Bike Lock with Key and Looped End Cable is 4 ft. (1.2 m) long and features a 1/2 in. (10 mm) diameter braided steel cable for strength and flexibility. U-Lock features a 6-1/8 in. (15 cm) wide hardened steel body for maximum strength and reliability. The integrated disc keyed locking mechanism offers maximum pick resistance. The Lifetime Guarantee provides peace of mind from a brand you know and can trust. Outdoor heavy duty bike u-lock with cable is best used as a bicycle lock U-shaped steel bike lock with key; Includes looped end cable for added flexibility and carrier bracket for easy transportation Bike lock features a hardened steel body and double locking shackle for superior cutting and prying resistance Bike lock body is 7.25 in. (184.15 mm) wide, Shackle is 8 in. (203.2 mm) clearance, 4 in. (101.6 mm) width and .75 in. (19.05 mm) diameter; Looped end cable is 4 ft. (1219.2 mm) long and .50 in. (12.7 mm) diameter Changed diameter to 0.75 to match packaging. Includes one black u-lock bike lock, one looped end cable, two keys