Grabber TieMaster Multipurpose wood fastener for general wood construction such as ledger boards, laminated beams, underdeck connections, trusses and dimensional lumber, decks, docks and boardwalks Featuring flat 40 Star head countersinking design for flush finish and DrawTite shank pulling members tight together Type 17 cutter point eliminates predrilling in Mechanical galvanized exterior coating for corrosion resistance