Mastif

• X4P Quattro Bolt Locking Mechanism locks shackle on four sides
  
• Z-Cylinder is bump-proof and resists picking, pulling or drilling
  
• Rounded design and centered keyway eliminates pry points
  
• Co-molded crossbar cover and double rubber coated shackle protects finishes
  
• All-metal end caps provide additional protection against hits and drops
  
• Automatic keyway covers helps seal lock internals against the elements
  
• 10mm (0.39”) titanium reinforced, hardened steel hexagonal link chain resists cutting or prying
  
• Chain cover protects paint and finishes, embroidered logo won’t flake or wear off
  
• Boxer U-lock can also be used as a disc lock

Attributes