Built for Outdoor Excellence: You will get 1lb box (approx. 21pcs screws) #14 x 6" Black deck wood screws with T30 star bit,Tested to withstand over 2000 hours of salt spray exposure,feature a specialized external Black corrosion-resistant coating,withstand harsh weather conditions without breaking down. Large thread diameter:Compared to typical screws,Black Deck wood screws are noticeably heavier,with a thicker screw thread diameter, these screws provide exceptional holding power translates to better performance and longevity,designed to outperform lighter, flimsier screws on the market Better Grip: Designed with star or square drive heads, these Outdoor wood screws enhanced Grip with Specialty Drive Heads,offer superior torque and reduce the likelihood of slipping or stripping,reduce the risk of stripping compared to traditional Phillips heads Prevents Wood Splitting:Bnuok #14 x 6 inch Black Exterior deck screws often have a smooth shank near the head,unique reverse threaded, reduce the chance of splitting the wood as you tighten them,saves time and effort. Engineered for Tough Jobs: Whether you're building a deck or tackling a heavy-duty construction project, these screws deliver the quality and reliability you need,and widely use for range of materials,such as thin sheet metal, PVCu, MDF, chipboard, softwood, hardwood,ACQ-treated lumber.