12-Ton Extension Screw Collar the 27 north 37M-SJR3 3-inch Universal Bottle Jack

37M-SJR3 3-inch Universal Bottle Jack Lift Pad (Round cradle for axle

Prevents cavitation and maximizes thrust

It easily attaches to the jack using a wire bale clevis pin

The 3-inch Bottle Jack Extension

Included 2 fins that bolt onto your troll plate

12-Ton Extension Screw Collar the 27 north 37M-SJR3 3-inch Universal Bottle JackThe 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.