Mastiff series combo chain locks combine high security, flexibility of use, and the convenience of not having to carry a key.



Chains made of titanium-reinforced, hardened steel square links that resist cutting or prying



Chain cover protects paint and finishes, with an embroidered logo that won’t flake or wear off



User-settаble 4-digit combination



Steel Ball Combo gear system resists picking and pulling



All-metal endcaps provide protection against hits and drops