The HEAVYWEIGHT™ 2 x 4 work bench kit is the simplest way to build a strong work area for you shop, basement, garage, or other utility space. This versatile kit allows you to build to any size and use lumber you already have. Uses lightweight, sturdy plastic brackets and supplied hardware for ease of installation. A cordless drill is required to assemble securely. For additional storage needs, you can add a shelf to the workbench with the 2X4ADDSHLF-GRY Single Shelf Kit. Requires only 90-degree straight cuts with no angles for ease of assembly. Plans supplied detail how to construct the most popular size of workbenches. You can also build to whatever specification you prefer, just supply the lumber and you'll be up and running quickly. Kit does not include any lumber, wood, or particle board.