Black Powder Coated High Quality Steel Rack Tray with Adjustable Equipment Clamps. With 2 Self Adhesive Anti-Slip Strips 4 x Rack Screws and 4 x Captive Nuts. The floating rack tray has a 2U profile and is perfect for mounting equipment with rack mount ears such as CD players and Amplifiers. The clamps height can be adjusted for the perfect fit.