Quad Boss Utility Jack Handle Keeper The Quad Boss Utility Jack Handle Keeper is designed to securely hold the handle of your vertical-lift jack in place while you are on the move. Simply slide the I-shaped section around the jack's bar (shaft), place the circular opening around the handle, and lock it in place to ensure that your jack is safely secured during transit. Features: Secures jack handle to jack for safer transit Tough ABS construction Designed for Quad Boss vertical-lift Utility Jacks