Simpson Strong-Tie offers a full range of gas- and powder-actuated tools and fasteners designed to maximize jobsite productivity and operator comfort. The PDPAWL is a powder-actuated washered pin designed to fasten building components to concrete, steel and CMU. The PDPAWL consists of a hardened-steel PDPA pin preassembled with a 1-in. washer that provides additional bearing surface for enhanced upload resistance. The PDPAWL is designed for use with Simpson Strong-Tie® powder-actuated tool systems as well as other common tools.