Simpson Strong-Tie Drive Pin, Series: PDPAS, 2-7/8 in Shank Length, 0.3 in Head Dia, 0.157 in Shank Dia, For Use With: PTP-27SMAGR and PT-27LMAGR Powder Actuated Tools, Steel Fastener, Galvanized, Material Fastened To: Concrete, Concrete Filled Deck and Masonry.