IMSCREWS 220PCS HIGH QUALITY #7 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: 220-Piece ? Length included: 5/8''(16mm), 3/4''(20mm), 1''(25mm), 1-1/4''(30mm), 1 5/8''(40mm), 2''(50mm). ? Drywall Screws are Primarily Used for Installing Drywall in Houses, Buildings and Offices. FEATURES: ? These 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.