Camshelving® Basics Plus Post Kit, 21"W x 72"H, withstands temperature from -36°F (-38°C) to 190°F (88°C), includes: (2) non-corrosive composite stationary posts with leveling feet installed, (1) glass filled nylon top post connector, (1) glass filled nylon bottom post connector, (8) resin polypropylene wedges in a bag & instructions, 2 post kits are required for one Camshelving Basics unit & 1 for add-on unit, brushed graphite, NSF