... .008-0.131 2,Length: 1"-4" 3,Shank: smooth screw Ring 4,Surface: galvanized, vinyl coated 5,Material:201 ... nail common nail shank diameter0.0080-0.315 shank length1"—8" coil stylesfalt coil nail /conical coil nail shank stylessmooth , ring , screw , ... twist ,thread shank head stylesflat ,brad ,gridding ,roofing,oval , ...