Wood Pro all purpose construction screws are used for a wide variety of interior and exterior applications from decking to flooring. The secure star Drive recess helps reduce bit stripping and a sharp type-17 point allows for easy starting and effortless drilling. Special nibs under the head provide a clean countersink in all Types of material. These screws are coated by ppg industries with a Golden electro-polyseal coating. Ppg industries e-coat is superior to other Types of coating because it allows for a thinner coat while still maintaining over 1,000 hours of Salt spray protection. The coating is extremely durable in all-weather applications and will not chip or rub off. Ppg coating is rated for use in treated lumber. Package includes one star bit.