SA108 Features: -Easy to assemble pre-cut and pre-drilled parts.-Increase roof strength by 50pct for heavy snow accumulation.-Easy to install.-Fits most new or existing Arrow buildings.-Please specify size.-Great for anchoring small and slope roof buildings.-Fits steel buildings up to 10x13 ft..-Ground Anchors or Concrete Anchors are also recommended.-Made of heavy duty galvanized steel for durability.-Perfect for all Arrow buildings, garages, basements or workshops.-Shelving material not included. Includes: -Includes 4 corkscrew type anchors, 4 corner gussets and 4 locking washers.. Construction: -Galvanized steel construction. Color/Finish: -Durable baked on polyester enamel finish.-Eggshell finish with taupe door jambs. Dimensions: -Mid-wall bracing for greater all-around strength Dimensions:.-Large: 6"H x 10"W x 8"D.-Door opening: 4.75"H x 4.625"W.-Each kit contains 4 shelf brackets (8 1/2" L), 2 pair of telescoping wall braces, complete hardware, and instructions.-Makes it easy to build 8" or 12" wide shelves in any length.