OnGuard Mastiff Chain Lock W/ Integrated Key Lock

Mastiff series chain locks provide superior protection for medium/high crime areas and are packed with features

• Chains made of titanium-reinforced, hardened steel links that resist cutting or prying
• The chain cover protects paint and finishes, with an embroidered logo that won’t flake or wear off
• Locking mechanisms secure the lock at multiple points: X4P Quattro Bolt shackles on models with separate shackles; X2P Double Bolt-on models with integrated locking heads.
• Locks use a Z-cylinder tumbler mechanism that is bump-proof and resists picking, pulling or drilling
• Co-molded crossbar cover protects finishes and all-metal end caps provide protection against hits and drops
• The automatic keyway cover helps seal lock internals against the elements
• 5 laser-cut keys, 1 with micro-LED
• Length  3.5'
• Link Gauge 10mm
• Lock Diameter: Integrated
• Weight: 5.7
• Locking Mech: X4P
• Security Rating: 80