See Shipping Options. One of the biggest advantages of wire shelving is just how flexible it can be. The Post Extension Kit Can Combine Two Wire Shelving Units Together Create Up To A 12 Foot High Wire Shelvin Wire Shelving Units Wire Shelving School Shopping Top poles include pole cap and connector bottom poles include insert feet leveler. Wire shelving post extension . HSS 12 Extension Pole 1. Canomo 1 Inch Diameter Post Wire Shelf Lock Clips Plastic Shelving Split Sleeves for Urban Shelving Black 12 Pair24 Pack 46 out of 5 stars 242. Create up to a 12-foot high wire shelving unit using this simple plug and bolt set. These wire shelving posts will allow you to utilize your extra shelves for more efficient storage. Get it as soon as Wed Feb 24. 78 Chrome Wire Shelving Post Extension - 12 Long - 10 mm Thickness - 4 Pack. Tap image to enlarge. Furthermore foot plates should be used. Choose Wire Shelf Post Extensions for an easy and durable way to expand your wire s