Simpson Strong-Tie Quick Drive Flat Deck S *Sub Brand: Quick Drive *Callout Size: No. 10 *Length: 2-1/2 in. *Drive Style: Star *Head Type: Flat Head *Finish: Coated *Product Type: Deck Screws *Material: Steel *Number in Package: 1000 pk *Container Size: 14.20 lb. *Packaging Type: Boxed *Indoor or Outdoor: Indoor and Outdoor *Driver Bit Included: Yes *ThreadType: Variable *Quick guard coating * Used for preservative treated decking applications * Upper thread design increases deck boar pull-down * *Fast start, hi-lo tip easy pierces preservative treated and other common deck boards *Rimmed flat head with nibs countersinks easily