Master Lock No. 8170 Fusion U-Lock

Master Lock 8170 Fusion U-Lock: Master Lock No. 8170D Series Bike Lock, 6-1/8" U-Lock with 8-Inch Shackle Clearance. Includes Carrier Bracket!   Master Lock No. 8170 Fusion U-Lock Carrier Bracket Included Hardened Steel Body Resists Cutting and Sawing Double Locking Shackle for Superior Pry Resistance Integrated Disc Keyed Locking Mechanism for Maximum Pick Resistance Keying: Each Lock Comes Keyed Different (KD), with 2 Keys that Cannot be Matched Specs_Width: 6-1/8" Wide; A: 1/2" (13mm) B: 8" (20cm) C: 4" (10cm)