Quiet adjustment at the touch of a button. Brings the desirable convenience of powered adjustment to everyone. Offers a high weight-lifting capacity and impressive durability for users of all sizes in every industry. Meets and exceeds ADA requirements and adheres to Human Factor Ergonomic Standards. UL listed and CSA recognized. Adjusts from 27″-39″. Base finish Graphite Silver. 500lb load capacity. Lead time 15 days.