DECKMATE #9 x 2-1/2 in. Red Exterior Self-Starting Star Flat-Head Wood Deck Screws25 lbs box (1823 pcs)DECKMATE Star Flat Head Wood Deck Screws DECKMATE's #9 x 2 1 2 in. red exterior self starting star flat head wood deck screws are your go to for durable outdoor projects. Designed for treated lumber, these screws feature a lifetime polymer coating to resist corrosion, ensuring longevity and reliability for your construction needs. Key Features: Self Starting: Type 17 point with flute creates its own pilot hole, reducing the need for pre drilling.