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. Grip-Rite Pro-Twist No. 10 Sizes X 3/4 in. L Hex Hex Washer Head Sheet Metal Screws are ideal for use in a variety of applications. With their hex washer head design, these screws provide a tight, secure fit. Made of high-quality materials, these screws are built to last.