Get the perfect corner shelving unit with a Wire Shelving Add-On. Increase access to the items stored in the corner by opening up your space. Attaches to existing chrome wire shelving units for additional storage space Stores up to 800 lbs per shelf, evenly distributed Shelves adjust every 1" along posts S-Hook 2-Packrequired per extra shelf To securely set or quickly remove shelves, tap their corners with arubber mallet. View ourWire Shelving Size Guideto see actual outer and inner dimensions.