• [Repair Structural Damage]: The BISupply Temporary Adjustable Screw Jacks for House Repairs aides your renovation project with non-permanent secondary support
• [Fits Your Needs]: 14.5-18.5in (36.8-47 cm) adjustable screw jack lift fits 4x4in (10.16x10.16cm) lumber; 3.5x6in (8.9x15.2cm) base plate has four 0.6in (15mm) and two 0.3in (8mm) mounting holes
• [Quality Construction]: Coated steel provides house leveling jacks with strength, durability and a working load capacity up to 24,700lbs (11,204kg) dependent on timber used
• [Increase Stability]: Secure the adjustable beam jack post under 4x4 shoring beam, turn the tension handle to adjust height up to 4in (10.16cm); lumber and hardware not included
• [Compact Size]: 11.8x0.4 inch (30x1 cm) horizontal tension handle can slide or remove for use around obstructions; Mounting holes are spaced 4.5in (11.4cm) and 2.25in (5.7cm) apart