Fellowes Professional Series Corner Executive Keyboard Tray with Comfort-Lift system lets you slide mouse platform left or right over keyboard numeric pad and offers 2 custom height positions. Designed and manufactured for Fellowes by Humanscale. Mouse platform tilts forward or backward, adjusts up or down, and mounts on left or right side of keyboard tray. Warning Trak helps prevent mouse from sliding off platform. Height and tilt indicators let you customize keyboard tray settings. Lift and lock feature lets you adjust height with one hand. Single-touch lever slides from left to right to adjust tray tilt. Health-V memory foam supports with Microban antimicrobial protection stay cleaner and relieve wrist pressure to help prevent carpal tunnel syndrome. Slim profile fits corner workstations. Durable platforms withstand daily use and feature non-skid pads.