Fits 19 Inch Standard Equipment. Accommodates tower units, monitors, and other equipment.; Cold Rolled Steel Made. Powder coated finish that protects them from rust and corrosion; Slotted venting. Each rack shelf contains a ventilation hole pattern that is designed to maximize airflow.; Light weight and durable, premium quality craftsmanship, yet heavy duty up to 40LB weight capacity.; M6 Screws and Cage nuts are included.