Fits 19 "DJ Controller and Mixer (Denon HC-5000, A & H Xone 3D74D) Includes extendable tray for laptop (with cable), mounting rack up to 10 U; Solid construction of 9 mm plywood, aluminum profiles and Butterfly locks; Stackable steel corners provide non-slip placement of the workstation on the cover, (H / W / D): External: 30 x 54.5 x 48.5 cm / Interior: 26 x 44.5 x 44.5 cm.