Knape & Vogt Adjustable Lift and Lock/Sit to Stand Keyboard Arms comes with Black Finish. Lift and lock intuitive height adjustment has 14-1/4'' vertical height range, from 7-1/4'' above to 7'' below the work surface. It has Integrated tilt angle indicator, Soft-touch dial tilt adjustment knob. Features Tilt range of 25°, the positive and negative tilt of +10 /-15°. Swivels 360° at the track and has 22'' track with EZ-glide system. This item has Powder coated steel construction. Optional positive tilt lockout.