Radius shelves are named for the wires that radiate from the back corner of the rack. The unique design provides more storage area than theTriangle Shelfwith the same structural integrity. Ventilated to reduce dust and dirt build-up Shelves can be adjusted to any desired height in 1" increments along posts Holds up to 800 lbs per shelf, evenly distributed Made for indoor use, dry storage only Pair with 3Chrome Wire Shelving Poststo design custom storage To securely set or quickly remove shelves, tap their corners with arubber mallet. View ourWire Shelving Size Guidefor actual outer and inner dimensions to see if these shelves will fit with your existing system.