Freeman FR.131-3HDGRS 20 Degree - 21 Degree Round Head Hot Dipped Galvanized Ring Shank Plastic Collated Framing Nails, 0.131" x 3" Ideal choice for 20 to 22 degree nailers allowing the freedom to use a variety of popular model tools Ring shank, Plastic collated, Hot Dipped Galvanized Fits most full head framing nailers Applications exterior framing, treated lumer, outdoor exposure, decks, and any outdoor project 2,000 per Box