SKB 3RS-4U20-22B | 4U 20 Inch Static Shock Rack Transport Case
SKB's 3RS Series Static Shock Rack Transport cases are available in 8 sizes: 3U, 4U, 5U, 6U, 7U, 9U, 11U and 14U. 3RS Series Shock Rack Case. Molded in stacking ribs and lugs are designed to stack with all SKB 3RR & 3RS cases, as well as competitive manufacturer cases.