Master Lock 8170D, Black, 6-1/8 inch U-Lock

Outdoor heavy duty bike U-lock is best used as a bicycle lock.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit. U-shaped steel bike lock with key; Includes 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 6-1/8 in. (16 cm) wide, with 8 in. (20 cm) shackle length, 4 in. (10 cm) width and 1/2 in. (13 mm) diameter Includes one u-lock bike lock, two keys.Affordable U-Lock Protection.Disc key for additional anti-pick protection.Includes carrier bracket for storage convenience.6-1/8-inch by 8-inchby 4-inch.Vinyl coating for weather and scratch resistance, Weight: 1.96 pounds, Manufacturer: Master Lock