Pro-Twist Construction Fasteners are engineered for professional-grade use in commercial, industrial and residential applications. Whether the job involves drywall, steel framing, mobile home construction, electrical or plumbing work, plastering or metal roofing, Pro-Twist has the optimal fastener for every situation. The GRIP-RITE Pro-Twist No. 10 Sizes X 3/4 in. L Hex Hex Head Sheet Metal Screws 1 lb are the perfect screws for your metalworking needs. With a hex head for easy driving and a sharp point for easy penetration, these screws are perfect for a variety of applications. The screws are also corrosion resistant, making them perfect for outdoor use.