Mastiff

• X4P Quattro Bolt locking mechanism securing the shackle on four sides
  
• Z-shaped cylinder resistant to impacts, picking, pulling and drilling
  
Rounded design and centered keyway eliminate pressure points
Overmolded crossbar cover and double-coated rubber handle protect the finish
All-metal toe caps offer extra protection against impacts and drops
Automatic key groove covers ensure the internal mechanism is weatherproof.
10 mm (0.39 in) titanium-reinforced hardened steel hexagonal chain, cut and break resistant
Chain guard protecting the paint and finish, permanent embroidered logo
The Boxer U-lock can also be used as a disc lock

Attributes