About this item

• [Make Structural Repairs]: The BISupply Adjustable Shore Jack Post House Support Jacks 1-Pack transforms 4x4 inch (10.2 cm) square lumber into a temporary support or non-primary support (not intended for permanent installation)
• [Adjust the Size]: Fits bottom of a 4x4 inch timber post of any height; 4-inch height adjustment thread for shoring tension; 14.5 to 18.5 inch (36.8-47 cm) overall lifting shore height; 3.5x6 inch (8.9x15.2 cm) base plate with (4) 0.6-inch/15mm and (2) 0.3-inch/8mm mounting holes
• [Built to Last]: Constructed from coated steel for strength and longevity that resists rust and corrosion; Square tube, round tube, and threaded plate welded to create singular floor joist jack post unit; Load capacity up to 24,700 pounds / 12.4 ton (11,204 kg / 11.2 MT) dependent on 4x4 used
• [Stabilize Easily]: Place adjustable shoring jack on end of 4x4 inch wood post, secure post to shore jack, turn the tension handle for 4 inches of height adjustment, and secure 4x4 shore jack base (4x4 lumber required, not included; nails/wood screws recommended, not required or included)
• [Fit Anywhere]: 11.8x0.4 inch (30x1 cm) horizontal tension handle is removable and slides for use against an obstruction; Base plate includes (4) 0.6-inch/15mm and (2) 0.3-inch/8mm mounting holes spaced 4.5 and 2.25 inches (11.4, 5.7 cm) apart (center to center) for securing to floor (screws not included)