Grip-Rite GRCR3 DGALM12 1-1/4 in. x 0.120-Gauge 15° Smooth Shank Electrogalvanized Wire Collated Coil Roofing Nails are compatible with most 15° pneumatic nailers for fastening shingles to roofs. Electrogalvanized to resist corrosion, the package contains 7,200 wire-collated steel smooth shank nails. All Grip-Rite collated nails are backed by the Grip-Rite Jam Free Guarantee.