The Grainger 14C529 is a 2-ton capacity hydraulic bottle jack made of steel with a wide base for stability. It has a built-in overload valve and bypass device for safety and meets ASME PALD standards. The jack has a lifting range of 5-1/8 to 13 inches and a lowered height of 7-1/8 inches. It uses hydraulic oil and has a ram diameter of 2-1/4 inches. The jack weighs 14 lbs and has a 1 year warranty.