Framing Nails,3.25 In. L,Plain,PK4000, Overall Length 3 1/4 in, Shank Diameter 0.131 in, Gauge 10.3 ga, Product Type Framing Nails, Material Steel, Finish Plain, Penny Size 12D, Head Type Flat, Shank Type Smooth, Point Type Diamond, Collation Type Plastic, Collation Configuration Strip, Collation Angle 20 Degrees , For Use With 10H0001N, 2F0103N, 2K0103N, 4H0101N, FN81T1, Manufacturer Location Made in USA*, Compatible with Manufacturer Model Number 10H0001N, 2F0103N, 2K0103N, 4H0101N, FN81T1