The OnGuard Mastiff 70 cm Chain Lock delivers compact, heavy-duty protection using a 645 mm (25.4 in) titanium-reinforced hardened-steel square-link chain paired with an integrated X2P Dual Lock Down head that locks both sides for superior resistance against pulling, twisting, and prying. A double rubber-coated lock body absorbs impacts and protects finishes, while the automatic keyway cover keeps dirt and moisture out for long-lasting reliability. Includes five precision laser-cut keys—one with an LED light—and is backed by OnGuard’s anti-theft protection program.
- Compact Strength: 645 mm (25.4 in) titanium-reinforced square-link chain provides high-security protection in a small footprint.
- Dual-Sided Locking: X2P Dual Lock Down head secures both sides of the shackle for maximum pull and pry resistance.
- Heavy-Duty Links: Hardened-steel construction withstands cutting, twisting, and leverage attacks.
- Weather Resistant: Automatic keyway cover shields internal components from dust and moisture for long-term use.
- Complete Key Set: Includes five laser-cut keys (one with LED) plus OnGuard anti-theft protection coverage.
