MAXIMIZE DESK SPACE: This steel desk corner sleeve provides additional space when using 90° L-Shaped/Corner desks; Usable surface is 25x13.1in (63.5x33.2cm) for keyboards/mice/other devices; Supported desk thickness 0.5-1.5in (1.2-3.8 cm) INNOVATIVE CLAMP: The Knob-less clamp removes common issues that a knob-style clamp may pose, such as accidental knee impacts or damaging a chair's armrests; Low-profile clamp enables to attach it directly to the desk or (optional) affix using wood screws ENHANCED ERGONOMICS: Maximize the work area, adding space for a keyboard and a mouse; Support wrists on the desk extender and use a wrist rest for optimal ergonomic position; Create additional distance from the monitor(s) for enhanced ergonomics DURABLE & STURDY: Corner sleeve's all steel construction and sturdy clamp/screw design ensures it stays firmly in place without budging; Powder-coated finish provides added durability; Ships fully assembled for effortless setup; REACH compliant DAMAGE-FREE INSTALLATION: Protective foam padding and no-drill installation with the innovative clamp ensure that the desk platform won't damage the desk surface; Desk extension tray is backed for five years; Use the corner sleeve for wooden/metal desks