Compatibility: Recommended Tabletop Sizes - Length of 34” to 72”, Width of 23 to 43”, and a Thickness of 3/4” and greater (Actual Frame Length: 34" to 52.3", Frame Height: 27.8" to 46.5") Hand Crank System: Simple crank design uses minimal effort to find your desired height setting Telescopic Height Adjustment: Strong 2-piece legs use precise telescopic adjustment to transition from sitting to standing Solid 132 lbs Support: All-steel construction and a sturdy 2-part column support system hold weights up to 132 lbs Easy Assembly: All hardware and instructions are provided so that you can get your new sit-stand desk frame assembled and elevating your productivity in no time DESK-V101M from VIVO is the perfect piece to your standing desk station, allowing you to find that much needed healthy balance of sitting and standing throughout the long work day. DESK-V101M is a manual crank height adjustable desk frame only and requires a separate purchase of a tabletop with a recommended length of 34" to 72", width of 23" to 43", and a thickness of 3/4" and greater. Assembly is an easy-to-do process and we include all the hardware to get your desk frame put together and mounted to your desired desktop.