Gas assist continuous height adjustment allows you to move smoothly and quietly between sitting and standing positions in seconds. Height adjustment range from 6.2" to 20" above the desk, accomodates a wide range of users. +10°/-10° keyboard surface tilt to help achieve comfortable typing position. Primary work surface is large enough to fit two 24 in. monitors and holds up to 35 lbs. Includes 3M™ Gel keyboard Wrist Rest and 3M™ Precise Mouse Pad. Contains 45% post-consumer recycled material. Pre-assembled.