Depth: 36 in. W x 18 in. D x 87 in. H. Includes 1 beaded front post, 2 angle back posts, 1 back panel and 1 side panel. Great addition to Hi-Tech heavy-duty closed shelving starter unit. 6 Adjustable shelves. Fabricated from cold rolled steel. Welds are spaced 3 in. on center to provide maximum strength. Sides are triple flanged to form a channel. All 4 corners are lapped and resistance welded to provide a rigid corner and add extra strength to the shelf. Tubular front edge is designed to protect against impact loads. 36 in. W x 12 in. D x 87 in. H. 36 in. W x 18 in. D x 87 in. H. 36 in. W x 24 in. D x 87 in. H. Assembly required. 1-Year warranty. Additional storage will instantly be yours with this six-tier heavy-duty shelving unit as part of your design. Perfect for a garage, basement or workshop, the adder unit is designed to link to an existing shelf and is made of cold rolled steel in gray finish. It is available in your choice of sizes.