The pentagonal knob and streamlined handle are designed to save more effort and easy to adjust. Can be widely used in DIY home projects, woodworking projects, such as cabinet jacks, drywall jacks or drywall supports, crown molding, cabinet manuals, ratchet cargo bar support rods, etc. It's strong enough to withstand the weight of the most common construction tasks. It also rotates 360 degrees, allowing you to easily adjust the angle, with lateral support up to 45 degrees It quickly adjusts to different heights and angles, allowing you to get the without help, it's like a flexible third hand, increasing work efficiency! [Free your hands] - Provided with third hand support system, the cabinet installation tools easy to install upper cabinets, furniture, closet, range hood, lift drywall and cargo bars, and strengthen , weak stairs, shoe cabinets, shelves on your own. Free your hands: It is easy to operate, install the product, adjust the height, tighten the knob and go to work, and the