VEVOR House Floor Jacks, 4 Pack, 11.6"-16" Height Range, 2500 lbs Max Load Capacity Per Unit, Adjustable Support Beam Basement Jack Post for Leveling, Galvanized Telescoping Jack for Temporary Support Strong Support Easy Height Adjustment Integrated Base Plate User-Friendly Operation Versatile Use Rust-Resistant Finish Base/Top Plate Size: 4.84 x 4.84 in/2.95 x 2.95 in (123 x 123 mm/75 x 75 mm),Max Load Capacity (Per Unit): 2500 lbs/1134 kg,Item Model Number: 204A-0040-00-00,Quantity: 4-Pack,Adjustable Size: 11.6-16 in/29.46-40.64 cm