SKB 1SKB-R104W 10U x 4U Rolling Compact Rig Mixer Rack CaseNotes 10U Roto molded Rolling Case with Injection molded Doors, TSA compatible Locks, Inline Wheels, and Retractable Pull Handle A SKB 1SKB R104W 10U x 4U Rolling Compact Rig Mixer Rack Case in Excellent condition! At Evolution Music, we attempt to highlight cosmetic defects (if any) by picturing every angle of every piece of gear so you know exactly what you are getting. We always picture any and all accessories too. What you see is what you will get