This Vault Lock chainsaw hook from DMM has a gate that can be opened and closed. The hook has a length of 110 millimeters and a minimum breaking strength of 3 kN and is therefore suitable for lighter and heavier materials. This hook is made out of aluminum and fits most belts. The Vault is held in place by a clip with screw that can be placed around the belt of the harness.The DMM Vault lock has a weight of only 79 grams.