The Zendex GoJak Air is a lifting system designed to replace hydraulic floor jacks that may not last, the company says. GoJak Air is powered only by compressed air and specifically built with GoJak durability for maximum lifecycle value. It features a patent pending cantilever design, reinforced 1/2″ steel frame, and reliable air springs. Additionally, it includes eight strategically placed grease fittings that will keep GoJak Air running smoothly for years, according to the company. GoJak Air is made in the U.S.A.