Description Transform your desk into an ergonomic "sit to stand" work area, and take advantage of the health and productivity benefits of working while standing up. Kantek's Desktop Sit to Stand System helps to reduce back pain caused by hours of sitting, and improves energy and focus. This desktop system adjusts effortlessly from sitting to standing position with a built-in pneumatic mechanism. The solid base allows the stand to be placed on the desk surface, providing full stability at any selected height. Both single monitor and dual monitor mounts are available to suit your needs (each sold separately). Holds up to 25 pounds. Providing innovation, quality and value since 1982, Kantek is a leading manufacturer of computer accessories, desk accessories and other products. Features & details • large 23" x 15 12" platform size with unlimited height settings up to 23"from desk; no preset height positions • 27" wide keyboard tray and grommet hole to mount optional monitor arms for single or dual monitors (STS801 & STS802) • Solid base allows stand to simply be placed on the desk surface; provides full stability at any selected height • Built-in pneumatic lift mechanism allows for effortless height adjustment • Heavy duty, holds up to 32 pounds. For local PICKUP CASH ONLY Transactions (NO mobile payments) Thank you