On Guard Mastiff Series #8019L Bike Lock w/6' Chain

6' Rugged Chain with Boxer U-Lock. Longer 6' 10mm (0.39") titanium reinforced, hardened steel hexagonal link chain for more locking options. Boxer U-lock can also be used alone as a disc lock.Chain Dimensions: 180cm x 10mm(6' x 0.39")Shackle Diameter: 14mm (0.55") Hardened Steel.

• Lighter, more compact package, 10mm hex link steel chain and square bar links are titanium reinforced to resist attacks from saws and cutters
• X4P and X2P locking mechanisms feature four or two point lockdown protection
• Quattro and Dual Lock mechanisms feature Dual Lockdown Protection
• Reinforced sleeve over crossbar and cylinder for additional security
• Locks have vinyl coated large diameter ultra hardened steel shackles and rubber coated end caps
• Water and heat resistant embroidered chain cover prevents scratching and allows compact coiling
• Anti-theft protection plan