DescriptionAre you looking for a height adjustable desk frame to pair with your single tabletop? Our sit stand desk frame will be your ideal choice!With a manual hand crank system, the standing desk frame lets you switch from sitting mode to standing mode to work comfortably throughout the day. You can adjust the height of the desk frame from 27.6" to 45.3" to promote better posture and increase productivity. For outstanding load bearing and stability, the framework uses a reinforced steel structure to ensure long service time. What' more, 48" board or 55" board can be installed on the frame for versatile use and extra convenience. Enhance your work experience with this ergonomic standing workstation base!Note: Before installation, please confirm whether the tabletop is 55” or 48”. If the tabletop is 48”, please unscrew the hexagonal rod for 55” tabletops and replace the hexagonal rod for 48” tabletops. Feature27.6''-45.3'' adjustable height to reduce your back pressure and painConvenient hand crank system for easy height adjustment Hand crank can be installed on the left or right side for wide applicationFoldable hand crank for more convenience Premium steel frame to make it sturdy for long service lifeNon-slip foot pads prevent the floor from being scratchedCome with 2 hexagonal rods to be compatible with 55” or 48” tabletops Suitable for many occasions, such as office, living room and moreEasy to assemble with complete parts and straightforward instructionsSpecificationColor: Black / Grey / White Material: Steel Overall Dimension: 41"X23"X27.6"-45.3" (LXWXH) Net Weight: 36 lbsWeight Capacity: 110 lbsPackage includes:1 x Standing Desk Frame1 x Instruction