ADJUSTABLE HEIGHT: The ratcheting headrest table locking hinge provides vertical lift function with 12 adjustment points and a maximum operating arc of 105 degrees from horizontal, offering flexibility for enhanced comfort. IDEAL FOR HIGH TILT-LIFT: The adjustable lift stand is suitable for applications requiring tilt-lift functionality. It effectively lifts a horizontal surface to an angle and holds it securely in place, enhancing versatility and usability. EASY TO USE: Featuring an adjustable tip design, the ratchet stand allows for simple installation and smooth folding. Lift to the desired angle and it locks automatically. Lift past the highest setting to fold it down. WIDE APPLICATIONS: The heavy-duty ratchet table locking hinge is suitable for drafting tables, desk tops, bed tops, drafting boards, and other DIY projects around the home. STURDY AND DURABLE: Constructed from heavy-duty zinc alloy, the ratchet table support hinge offers excellent corrosion resistance and long-lasting durability, providing reliable support for years of use.