Power Pro 48629 Wood Screws, #10 x 3-1/2, Premium Stainless Marine Screws, Rust Resistant , Stainless Steel, 5LB Plastic, 5 lb Power Pro SS Outdoor Wood Screws feature instar Drive-in technology which virtually eliminates camout for a smooth, effortless drive every time. Chances for splitting wood are greatly reduced by the patented cross-cut threads and the wood biting cut point. Provides superior rust and corrosion protection. Features ENGINEERED FOR THE OUTDOORS: Ideal for decking and any outdoor wood project BEST-IN-CLASS CORROSION PROTECTION: High marine grade 305 Stainless Steel Coating offers superior rust and corrosion protection INSTALLS QUICKLY: 20 percent faster engagement with material compared to standard wood screws NO SPLITTING: 75 percent less wood splitting than standard wood screws 5lb Box contains approximately 280 pieces; this assortment is sold by weight and actual piece count may vary. USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.