Material: SteelSize Range: 4'6" To 7'9"Compression Strength: 11,350 lbs. At Max ExtensionIdeal For Correcting Sagging Floors And Basement Beams And Providing Secondary Support For Room Additions, Remodeling Projects, Porches And DecksDouble Carriage Bolts With Nuts Locking SystemAdjust Tension Easily With An Open End Or Adjustable WrenchTop And Bottom Self-Centering Load Plates Are Suited For Both Wood And Steel Applications ***AVAILABLE FOR LOCAL PICKUP ONLY***