12-Ton Extension Screw Collar the 27 north Safe Jack provides the most

Safe Jack provides the most versatility in a compact

Prevents cavitation and maximizes thrust

97M-UBI Universal Base Insert

Included 2 fins that bolt onto your troll plate

Purchase a Safe Jack Custom Extension Screw Collar

12-Ton Extension Screw Collar the 27 north Safe Jack provides the mostThe Safe Jack Extension Screw Collar (ESC) is a device made from highly durable PLA carbon fiber that wraps around your bottle jacks extension screw, acting as the universal, secure engagement for our Extensions and Lift Pads. The ESC also provides the operator with 100% available stroke of the jack and maximizes the height to an additional 1. 5 inches. Our premade Extension Screw Collars are measured specifically for the bottle jack brands we carry.