With a 4 Ton lifting capacity, this Bottle Jack can lift loads weighting up to 8,000 lbs. Easily lift heavy loads weighting up to 8,000 lbs, 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: 3 7/8″ x 3 1/2″ Hydraulic bypass prevents ram over travel, lift height 7.75″ to 12.75″, weights 6.7 lbs.