Keep sensitive items safe from loss or pilferage. Heavy-gauge open wire construction keeps contents visible at all times, making it easy to check inventory. Each door opens 270 degrees and can be secured along the sides of the unit. Shipped knocked down to save on freight costs. Assembles in minutes. Units include two standard Super Erecta shelves which must be used as the top and bottom shelves of the unit. Add an optional qwikSLOT intermediate shelf for increased storage capabilities. qwikSLOT shelves can be adjusted easily in seconds to quickly adapt to your changing storage needs.