Camshelving® Basics Plus Starter Unit, 18"W x 36"L x 72"H, 4-tier, withstands temperature from -36°F (-38°C) to 190°F (88°C), includes: (4) vented polypropylene shelf plates, (4) composite posts with leveling feet installed, pre-assembled post connectors & wedges, (8) traverses & (4) bags of 8 dovetails (4 each A & B), 600 lbs. capacity per shelf (400 lbs. top shelf) /1,800 lbs. max capacity, brushed graphite, NSF