Workrite Sierra hXl Crank combines the elegant styling of our popular Sierra series with an improved height range and higher load capacity. now available with an additional 5 1/2" of height adjustment, the Sierra hXl Crank is the solution for companies seeking limited sit to stand adjustability. For full 5th - 95th percentile sit to stand adjustability, select a bi-level hXl crank or add a Pinnacle 2 AD keyboard arm to any single surface hXl crank. The hXl Crank features a hidden crossbar frame that mounts directly to the worksurface, providing excellent stability and plenty of below desk space. Available in over 130 shapes and sizes including bi-level and keyboard cutout Sierra hXl Crank opens up a world of possibilities.