K-Loc auto lock SS Investment-Cast LTW Replacement Handles, SS Slot Pins, SS Safety Clips & SS Pull Rings. If a K-Loc auto lock handle breaks, it can be replaced with a standard LTW Investment-Cast SS handle to make the coupling functional. Although the K-Loc auto lock locking feature would no longer be present, locking can still be accomplished by inserting a safety clip through the holes provided.