Annular ring threads provide secure attachment of cedar, redwood and other stable decking materials to deck joists and preclude nail head popping Slender shanks permit nailing at board ends without splitting Small unobtrusive checker pattern heads blendwith wood grain and diffract sunlight NOTE: Choose 316 Stainless Steel for seaside applications and superior corrosion resistance 304 STAINLESS STEEL Gauge x Lgth In=.134 x 3 Pkg. Size=5-lb