Master Lock No. 8184D All Terrain U-Lock

• Carrier Bracket Included
• Master Lock $1,000 Anti-Theft Guarantee!
  
• Hardened Steel Body Resists Cutting and Sawing
  
• Extra Wide U-Lock Designed for Use with Mountain Bikes
• Integrated Disc Keyed Locking Mechanism for Maximum Pick Resistance
• Double Locking Shackle Withstands 3.5 Tons (3.2 Metric Tons) of Pull Force
  
• Keying: Each Lock Comes Keyed Different (KD), with 2 Keys that Cannot be Matched
  
• Specs_Width: 8-1/4" Wide; A: 9/16" (14mm) B: 9-1/2" (24cm) C: 5-1/8" (13cm)