Hillman Power Pro One Screw Star Drive, 10x2 is engineered for optimum performance in multiple materials, Power Pro One screws are the One screw you'll ever need. Developed to outperform and replace standard wood, sheet metal, and concrete/masonry screws, the One Screw program simplifies your tool box by using a single, innovative, engineered screw design to satisfy projects that fasten into wood, metal, concrete, drywall, and plastic. The bronze epoxy coating is recommended for exterior projects and treated lumber.Features Recommended for exterior projects and treated lumber as Premium Bronze Epoxy Coating provides 4 layers of corrosion protection Flat head design provides clean countersinking in wood and is ideal for wood-to-wood, wood-to-metal, and wood-to-masonry projects Patented design with spiral flutes, serrated hi-lo thread, and 3-sided pyramid point Specifications Type: Screws