Metro 5A437K3 Super Erecta© Starter Wire Shelving Unit 36X21X74The Metro 5A437K3 is a Super Erecta adjustable wire shelving unit. The kit includes four 74" SiteSelect Metroseal posts and five 21" x 36" Super Adjustable 2 Metroseal shelves. This unit is perfect for dry storage areas. Each of the four Site Select posts are fitted with an adjustable leveling bolt for easy compensation of uneven surfaces. In the 5A437K3 kit, the five shelves feature unique corner release systems, allowing them to be adjusted quick