For the most comprehensive selection of nails and screws, look for Grip-Rite fastener, the most popular brand of fasteners. No matter what the project or what size the job, Grip-Rite fastener has the optimal fastening solution, available nationwide from a variety of dealers and retail establishments. There are many sizes and styles of nails and screws available. As construction materials and techniques evolve, fastener design keeps pace with the changing technology. Fastener needs vary from project to project and the safety and life expectancy of the project can be extended or compromised based upon the fastener used. Fasteners have been designed to meet the special needs of projects such as roofing or drywall and in many cases are known by the application for which they are intended (roofing nails, drywall screws, masonry nails, etc.) Use the Grip-Rite 2 in. x 2 in. Square Washers (50-Pack) to attach a bottom or sill plate to a concrete foundation. These washers offer durable holding power recommended for treated lumber applications. Color: Metallics.