Promoting accessibility, visibility, and versatility, these wire shelving units are popular for various storage needs - from large warehouses to living rooms. Constructed of chrome-plated steel Open design reduces dust accumulation Shelves adjust in 1" increments on posts Reinforced center truss on 36-72"w shelves for additional strength 24-54"w shelves hold up to 800 lbs, evenly distributed 60/72"w shelves hold up to 500 lbs, evenly distributed Made for indoor use, dry storage only To securely set and easily release shelves, tap their corners with arubber mallet. View ourWire Shelving Size Guideto see actual outer and inner dimensions.