Set the perfect height when sitting or standing. Height-adjustable table base with pneumatic-control lift-assist delivers a 13 Table tops and bases are sold and shipped separately—ORDER BOTH. Set the perfect height when sitting or standing. Height-adjustable table base design with pneumatic-control lift-assist. 13 height range—26.25 to 39.63 (not including table top). Accommodates most common table tops ranging from 59 to 72 in width and 24 to 30 in depth. UPC 042167600457 Size 26-1/4 to 39-3/8 Color Black Shape Rectangular Brand Name Alera Style Name Music Unit Count 1.0 Count Item Weight 59 Pounds Manufacturer ALERA Model Number ALEHTPN1B Material Type Alloy Steel Item Type Name Pneumatic Sit-Stand Desk Base Item Dimensions 24 x 59 x 39.38 inches Number Of Shelves 2 Required Assembly Yes Included Components … Manufacturer Part Number ALEHTPN1B Manufacturer Warranty Description For questions regarding assembly or warranty, please call 1-800-733-4000.