Fully adjustable keyboard tray enhances comfort in smaller workspaces. Simply loosen single knob to adjust tray height & tilt, then retighten to lock in position. Warning Trak keeps mouse from sliding off platform. For both right & left-handed mousing. Includes soothing memory foam wrist supports with Microban antimicrobial product protection. Series Name: Fellowes Designer Suites; Workstation Type: Curved; Diagonal; Straight; Sit-to-Stand Option: No; Height (+/- Desktop): +1.25" Above to -4.25" Below.