all original freestanding vintage american industrial cold-rolled steel stationary factory machine shop shelving unit or rack fabricated by lyon metal products, inc., aurora, il. the multi-tier shelving unit has been painstakingly brushed down to bare metal and sealed with a clear coat lacquer. the shelves can be reconfigured to accommodate one's needs. nut and bolt assembly throughout. salvaged from a chicago tool and die factory. measures approximately 36 x 12 x 43 1/2".