This adjustable under desk keyboard tray is designed for ergonomic and comfortable typing. It offers 7.5 inches of height adjustment, 180 degree horizontal swivel, and 38 degree vertical tilt, allowing you to customize your typing position and reduce strain during long working hours. The large 25 x 9.8 inch tray provides ample space for most keyboards, mice, and accessories while helping keep the desktop clean and organized. The smooth sliding design lets you pull the tray out when needed and slide it back under the desk for storage. The built in wrist rest offers added support and prevents the keyboard from slipping when tilted. Installation is simple with all hardware included, and the tray is suitable for wooden desks without support beams.