FastenMaster FMGD158-1750 GuardDog Exterior Wood Screw, Tan, 1-5/8-Inch, 1750-Pack Manufactured in china Easy to use Highly durable Guaranteed for life of the project and ACQ approved Versatile Pozisquare drive virtually eliminates cam out Aggressive thread design increases holding power Sharp piercing point for quick and easy installation Free PoziSquare drive included in every box