Grip Rite Prime Guard N3CST5 Grip Rite #9 x 3 inch T-20 star Drive Composite Deck Screws, Tan (5 Lb Tub), Rust-oleum certified lifetime guarantee against rust, including when used with treated lumber Type 17 point reduces need to pre-drill boards 9 x 3 inch composite deck screws T-20 Star drive (driver bit included) 5-Pound tub