Odyssey ADFRD02 - 2U Rack Mountable Drawer with Interior Diced FoamThe ADFRD02 is a two space (3. 50 in.) high lockable accessory rack drawer. Included are interior diced foam sheets great for storing hard drives, mics, interfaces (Serato, Traktor, etc.), and other gig essentials. Features and Specifications Takes Up 2 Rack Spaces (3. 5") Includes Interior Diced Foam Sheets 3. 25" of Usable Interior Height 15" of Usable Interior Depth 15. 75" of Usable Interior Width Lockable With a Set Of Two Keys Exterior