#9 x 3-1/8 in. Star Drive Bugle Head Multi-Purpose Framing Screw Extended Contractor Pack (720-Piece)For use in wood, particle board, cement fiberboard, plastic, sheet metal Self tapping No pre drilling No stripped heads Common project applications: remodeling, fencing, storage, cabinets, framing Features Item Weight . 011 Color Family Yellow Fastener Plating Polymer Product Weight (lb.) 7. 72 Included Driver Bit Interior Exterior Exterior,Interior Returnable 180 Day Head Style Bugle Head Drive Style Star Fastener Type Wood Screw Measurement Standard