The Hillman Group 42180 Pro Crafter 8 by 2-1/2-Inch Wood Screw, 50-Piece The product is 50PK8x2.5 Zinc WD Screw Easy and simple use kit The product is manufactured in China Flat head with countersinking nibs allows the screw to drive clean and flush to the surface Square drive for a confident stick fit while driving Zinc and yellow finish Secondary serrations reduces drive torque for easy installations Type 17 cut point helps prvent wood splitting and allows for quick penetration