California phenolic keyboard tray with angular design helps mimize overreaching while using a mouse. Leverless Lift-N-Lock arm provides effortless height adjustment. Easy to view tilt dial with soft touch adjustment knob. Viscoflex memory foam wrist support is easy to clean. Equipped with an all-steel 22" friction-free teflon mounting track. Sit-to-Stand Option: No; Weight Capacity: 16 lb; Height (+/- Desktop): +2" Above to -6" Below; Keyboard Tray Dimensions (W x D): 28" x 10".