Safco Products 3090 Tubular Steel Wire Roll File, 12 Compartment, Light Gray Lightweight tubular steel roll file for document or blueprint storage and organization Grandstand design with 12 square tube compartments fits roll up to 3 3/4" diameter Weight capacity 100 lbs. evenly distributed Steel construction with powder coat finish and chrome grids Mobile on four 1 1/2" dual wheel casters, two locking