On Guard Chain & Lock - Mastiff - D-Lock 14mm X 5.5cm X 5.5cm - Chain 10mm X 130cm
Mastiff series chains & locks are packed with features, and provide superior security for medium/high crime areas.
The premium Mastiff lock has our special X4P locking mechanism and Z-Cylinder for high security, and a big 5.5 cm X 5.5cm shackle that can even be used as a disc lock. Our chain has 10mm hexagonal links for high security, and the special “sinch loop” design offers even more versatility.
X4P Quattro Bolt Locking mechanisms secure the shackle at 4 points.
Z-cylinder tumbler mechanism that is bump-proof and resists picking, pulling, or drilling.
Short D-Shackle design eliminates pry points for superior protection.
Heavy duty 14mm hardened steel shackle resists prying, cutting or jacking.
Co-molded crossbar cover protects finishes.
All-metal endcaps provide protection against hits and drops.
Automatic keyway cover helps seal lock internals against the elements.
Supplied with 5 laser-cut keys (1 with a micro LED).
Chain made of 10mm thick, titanium-reinforced, hardened steel links that resist cutting or prying.
Hexagonal links with tight inside dimensions render prying and bolt cutters useless.