The 1SKB-RCB Roto and Shallow Rack Caster Platform from SKB is a roto molded caster board with 4" locking wheels for stacking and moving SKB's Rot Molded cases. It includes cinch straps that secure to the side handles for stability. In addition, it is compatible with the Roto Rack Series and the Shallow Roto Rack cases.
4" locking wheels
Heavy duty cinch straps