Chain grab hook with rotatable spring-loaded lock ball and snap-on nodule

摘要

A chain grab hook for use with one hand, having a spring-loaded rotatable lock ball protruding from the shank of the hook, the lock ball movable along an axis aligned with the apex of a nodule on the tip portion of the hook, the nodule defining entrance and exit ramped slopes presenting a chain disengagement force exceeding a chain engagement force.