Simpson Strong-Tie Explosive Tool 72mm Pins Box 100 The PDPA is a hardened-steel, powder-actuated fastener designed to fasten building components to concrete, masonry, and steel. The PDPA consists of a fastener with a 7.6mm Flat Head, 3.98mm shank diameter, Ballistic Point. The PDPA provides maximum jobsite productivity with fast installation. These coated fasteners possess a level of corrosion resistance that makes them suitable for use in some exterior and corrosive environments and with some preservative-treated timber. - Bit(s) included with every box of screws.FeaturesDesigned for Use with Simpson Strong-Tie Powder-Actuated Tool PT-27 As Well As Other Common Tools - Made from Carbon Steel Zinc Coated Finish - Ballistic Point 7.6mm Head - Approvals: ICC-ES ESR2138, Florida FL15730, LA RR25469Specifications - Head Size 7.6mm Point Type Ballistic Point Finish