Add more storage capability to any preexisting wire shelving unit with our Wire Shelving Add-Ons. Attach end-to-end to extend the length of your unit or at a right angle for a custom corner shelving unit so there's no extra posts getting in the way. 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 Made for indoor use, dry storage only 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. Availability:Ships next business day