Safco’s Tubular Steel Wire Roll File is an affordable way to store and transport your blueprints. It’s made from lightweight tubular steel with chrome plated grids that keep your maps and drawings separated. Easily roll it around your office on twin wheel casters (two locking). Open top means you can keep blueprints of any length safely contained. Light gray finish blends in with your existing furniture. Easy to assemble. Choose a filling system with 12 or 20 compartments.