Custom Extension Screw Collar chain 37M-SJR612 6-inch Universal Bottle Jack

37M-SJR612  6-inch Universal Bottle Jack Lift Pad (Round cradle for axle

Stable while under load

Adjustable gearbox support

Compatible with all U

Custom Extension Screw Collar chain 37M-SJR612 6-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.