18 Space 18u 18 Inches Deep Heavy Duty 3/8 Ply ATA Amp Rack Case - Closeout Full ATA Heavy Duty 3/8 Plywood Construction - 18 Inches Deep Shell with Lids Removed Hard Black Laminate Exterior ALL Recessed Catches and 4 Recessed Handles - Large Ball Corners 4 Heavy Duty Casters - 2 Locking Packed Inside Case - Easy to Install Front and Rear Rack Rails with Mounting Bolts Included