Powerbuilt 647501 Heavy Duty 12-Ton Bottle Jack Made to be the most reliable tools in the market today Tool solutions for most all situations Built to exceed tool standards Forged steel saddle and cast handle socket for maximum height Pin style release valve for easy operation, extension screw provides added lift height and meets or exceeds ANSI standards Heavy duty oversize cast iron base Extension screw provides added lift height Meets or exceeds ANSI standards