Colour Family: N/A Assembled Product Length: 3" Fastener Drive Type: TORX Finish: STAINLESS STEEL Fastener Diameter (Imperial): #7 Fastener Length (Imperial): 3" . Unique "box" thread design provides an increase in screw driving productivity • Specially-designed sharp point penetrates hard wood products with ease • 6-lobe drive helps prevent driver-bit cam-out, resulting in easier driving and longer bit life • Type 305 stainless steel for high level corrosion resistance - ideal for outdoor exposure and wet service environments such as decking, docks and boardwalks, finishing, millwork and trim • 100 pack