DieHard DH20027 bottle jack has a 6 tons (12,000 lbs.) capacity with lifting range from 8.25 to 16. It is constructed with high strength heat treated steel for long term durability. A forge base provides stability and strength and welded bottle structure delivery leak-free performance. Meets ASME PASE safety standards. Product Features:Lifting Range of 8.25 to 16Heat treated extension screw allows low pickup height adjustment and maximum lift heightSerrated, heat treated saddle provides generous lifting area and secure gripA forge base provides stability and strength