12-Ton Extension Screw Collar jack cross-type forged release valve assures

cross-type forged release valve assures positive control

or even for tasks like pulling posts

Purchase a Safe Jack 20-ton Extension Screw Collar (Premade to fit the jacks we carry)

No-Drill Clamp Kit (Optional)

Hi-Lift style jacks

12-Ton Extension Screw Collar jack cross-type forged release valve assuresThe 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.