Grip-Rite 6d Cooler- 2-Inch x .113 Ring shank hot-dipped galvanized 21 Degree Full Round Head, Plastic Collated, Stick Framing Nails (500 per tub) 6d 'Cooler' - 2" x .113" - Vinyl Coated, 21 Full Round Head RING SHANK For Added Holding Power, HOT-DIPPED GALVANIZED For Exterior Use, Plastic Collated Strip Framing Nails Clear, Resealable, Reusable, Stackable Plastic Tub. GREAT for Do-It-Yourself Projects Use with Grip-Rite GRTRH350 - 21 Full Round Head Framing Nailer 500 Nails per Tub