Specification Brand : Generic BulletPoint1 : Carbon steel Q235, zinc electroplating, anti-corrosion and weather proof, thick top and bottom plates, welded base BulletPoint2 : Height adjustable range: 7-3/4” -12” BulletPoint3 : Max load capacity: 2800 kg(6173 lb) in total, 700 kg(1543 lb) per piece BulletPoint4 : Top plate size: 82 x 82 x 3 mm (3.2” x 3.2” x 1/8” ), bottom plate size: 102 x 102 x 3 mm(4” x 4” x 1/8”) BulletPoint5 : Great for applied in deck, porch, shelves, furniture, under house, cabinets, crawl space RV step stabilizer, sagging roof CompatibleWithVehicleType : no IncludedComponents : no ItemName : Adjustable House Floor Jacks for Leveling, 7-3/4” -12” Height Range,Floor Support Stands Post Pole, Total 6173 lb Max Height Capacity (4 Pack) ItemPackageDimensions_Height : 6 inches ItemPackageDimensions_Length : 6 inches ItemPackageDimensions_Width : 6 inches ItemTypeKeyword : floor-jacks LoadCapacity : 4 tons 1 tons Manufacturer : shijianbuyu ModelName : Lzmx-floor 12" -Bd 4-A1 ModelNumber : Lzmx-floor 12" -Bd 4-A1 NumberOfItems : 4 PartNumber : Lzmx-floor 12" -Bd 4-A1 ProductDescription : Adjustable House Floor Jacks for Leveling, 7-3/4” -12” Height Range,Floor support stands Post Pole, Total 6173 lb Max Height Capacity (4 Pack) Specification: Material: carbon steel Q235 Color: black Top plate size: 82 x 82 x 3 mm (3.2” x 3.2” x 1/8” ) Top plate finish: electrophoresis Bottom plate size: 102 x 102 x 3 mm(4” x 4” x 1/8”) Bottom plate finish: spray molding Screw: M18 x 140 mm(M18 x 5-1/2”) Riser: 1.2 mm(wall thickness, 0.05” ) x 32 mm(diameter, 1-1/4”) Nut: white zinc Max load capacity: 2800 kg(6173 lb) in total, 700 kg(1543 lb)/1 unit Adjustable height range: 7-3/4” -12” Package content: 4 x Floor support stands Post Pole SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 WarrantyDescription : 1 year warranty