Grip Rite Prime Guard GRW6RHGH1 28 degree Wire Weld Offset Round Head Exterior Galvanized Collated Framing Nails, 2" x 0.113" For best results, use with GRTFW83 28 degree Wire Weld Framing Nailer Compatible with most 28 degree Wire Weld Framing Nailers, Including: Bostitch, Max, Porter-Cable For use on all exterior applications and with all treated lumber Proprietary polymer coating is equivalent in performance to galvanization that meets ASTM A153, Class D as tested under ICC-ES AC 257 Meets or Exceeds ASTM F1667 (if applicable)