IMSCREWS 150PCS HIGH QUALITY #7*1'' (25mm) COARSE THREAD DRYWALL SCREWS KIT. GOOD TOOLS FOR GOOD WORKS, IMSCREWS FIX YOUR HOME. ?? High Quality Coarse Thread Drywall Screws Kit ?? Drive Type: Phillips Drive; Head Style: Flat Head ?? Material: Carbon Steel, Black Oxide Finish ?? Size: #7 bugle head, Phillips drive ?? Package Quantity: 150-Piece ?? Length included: 1''(25mm) ?? Drywall Screws are Primarily Used for Installing Drywall in Houses, Buildings and Offices. FEATURES: ?? These screws have a sharp point to pierce through drywall, and a coarse thread design to help grab into wood studs. ?? Drywall screws are primarily used for installing drywall in houses, buildings and offices. ?? This set is organized by Size / Type in a Transparent Storage bag for Quick Access and Protection in an IMSCREWS plastic bag.