Tool adjustable height lets you raise and lower the desk in 1" increments to find the perfect fit Two-level design enables comfortable, ergonomic placement of keyboard, mouse, and monitors Includes a set of smooth-rolling, 3" locking casters; also features a storage shelf perfect for a printer, CPU, books, and more Overall dimensions are 47.25" W x 28.8" D x 34.1" to 46.1" H; max weight capacity is 154 lbs; BIFMA certified for safety and durability; easy assembly Stand Up Desk Store is a US-based company and stands behind all items we sell; this item comes with a 5-year limited warranty against defects