Black Bull HBJ12 12 Ton Multi-Purpose Hydraulic Jack Easily lift heavy loads weighting up to 24,000 pounds, reliable and portable design Great for use on the shop, farm, or job site Cleated non-slip lift cap, adjustable extension screw cap, replaceable pump cartridge Solid cast iron base for maximum stability, base dimensions: 5 1/4 inches x 4 3/4 inches Hydraulic bypass prevents ram over travel; light height 8.5 to 13.75 inches; weights 16 pounds