About this item Crank System: Enjoy a height range of 30' to 46.5' including tabletop with this frames manual hand crank system and strong legs using telescopic height adjustment. The handle is foldable to save space when not in use. Easy to Adjust the Height: Using minimal effort to adjust the desired sitting and standing height by the simple crank system through the day. Speed:10mm/Turn. Solid Construction: Heavy-duty powder coating double beam steel frame is stable and solid enough to allow for a 175lbs load capacity, strong support for your ideal working space. If you are looking for table can last for years, this table will be the best choice. L-shaped Corner Table: The L shaped tabletop is made of MDF with high pressure scratch resistant laminate. The large table surface measuring 19.7 x 55.1 provides plenty of room for working.