The keyboard arm by Knape & Vogt is extremely rugged, built to withstand the kind of heavy workouts associated with data entry professionals, commercial users and students. The arm is fully articulate with both independent height and tilt adjustment, allowing users to adjust keyboard in a variety of comfortable ositions during the work day. It is equipped with a plastic glide storage track. Adjustable extension bracket for the use as corner application. Meets or exceeds ANSI/BIFMA standards for quality assured manufacturing.