Grip Rite Prime Guard GR08RHG1M 21 Degree Plastic Strip Round Head Exterior Galvanized Collated Framing Nails， 2-3/8" x 0.113"<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>For best results， use with Grip-Rite GRTFR83 and/or GRTRH350 21 degree round head framing nailers</li><li>Compatible with most 21 degree round head framing nailers including: Bostitch， dealt， Duo-Fast， Hitachi， Makita， Porter-cable， Ridgid and Senco</li><li>For use on all exterior applications and with all treated lumber</li><li>Proprietary polymer coating is equivalent in performance to galvanization that meets ASTM A153， Class D as tested under ICC-ES AC 257</li><li>Meets or Exceeds ASTM F1667 (if applicable)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51UlyOD2XUL.jpg" noproxy>