The Powerjack Model 500 is designed to push or pull flooring strips into place and hold them tightly for hands-free nailing. This Heavy-Duty tool offers up to 2000 lbs of pressure per square inch. Easy to operate! Use the lever handle to ratchet the faceplate against a stationary surface. Continue to ratchet until the floor catch draws the flooring to the desired position. The Powerjack can be left in place while you nail down the flooring strip. To release the Powerjack, simply push the handle to full forward position. The Powerjack 500 self adjusts to the thickness of the wood flooring being installed and can be used with all hardwoods, exotics and engineered flooring. Made of cold-rolled, fully welded steel , this tool is built to last. Essential for Professionals and DIY'ers taking on big flooring projects. Tighten boards together close to the wall The Model 500 Powerjack sits on top of your flooring and gains leverage against a wall or a wall-stud. Eliminate Fits under tight areas such as cabinet toe kicks, closets & corners Under the toe kick of a cabinet, the Powerjack Model 500 can be used to tighten up boards and hold them in place for hands-free nailing. Mid Sub Floor Adjustments When not near a wall, the Model 500 can also be used mid-floor by screwing the base plate directly to the sub floor and pushing against your flooring strips.