The Workrite S2S Ultrathin Keyboard Tray System is the perfect solution for those who want to convert their stationary desks into sit-to-stand workstations. With exceptional height adjustability of up to 6 inches below desk height and 16 inches above, the S2S Ultrathin System can accommodate the majority of users. The Ultrathin phenolic material is backed by Workrite's lifetime warranty, ensuring years of dependable quality and performance. One of the key features of the S2S Ultrathin System is the removable palm support that can easily be adjusted from side to side to accommodate either right- or left- handed mousing. This feature promotes ergonomic positioning and can help to reduce the risk of repetitive strain injuries. Additionally, the S2S Ultrathin System also includes Workrite's Optimizer document holder and cable management for both the mouse and keyboard. The document holder keeps your documents in an easy to read position and the cable management keeps your cables organized and out of the way. This improves the overall aesthetics of your workstation and makes it easier to move around. In conclusion, The Workrite S2S Ultrathin Keyboard Tray System is an exceptional solution for those looking to convert their stationary desks into sit-to-stand workstations. With exceptional height adjustability, removable palm support, Workrite's Optimizer document holder and cable management, it is a highly versatile and durable product that can help improve the ergonomics and aesthetics of your workstation.