The Safe Jack Extension Screw Collar (ESC) is a device made from highly durable PLA carbon fiber that wraps around your bottle jack’s 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 additio
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It works. Keeps the axel From slipping off when lifting my keep to change a flat tire.
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Harold · December 14, 2025
Good quality!
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Elroy · April 4, 2025
Well pleased w/12 ton extension screw
As with every Safe Jack item I have purchased, it appears very well built & is a perfect fit for my 12 ton Omega Jack.