H3 Hurricane Tie, Provides Resistance To Uplift & Lateral Forces, Designed To Help Counter The Effect Of High Wind & Seismic Events On A Structure, Connects 2 x Rafter To Top Plate, Galvanized For Extra Corrosion Resistance, Install With Four 8D x 1-1/2" Nails To Rafter, 4-8D x 1-1/2" Nails To Plate.