12-Ton Extension Screw Collar Overland bottle jack The design minimizes the risk

The design minimizes the risk of slipping or tipping during lifting operations and installation is a breeze

20-ton load capacity

Allows you to lift loads that are too low for a standard Hi-Lift style jack

Quick-release pins for fast installation

5 inches to your jack's capability

12-Ton Extension Screw Collar Overland bottle jack The design minimizes the riskThe 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.