These 7 x 24 mm black drywall screws are designed for reliable fastening of wood and plywood, featuring a black phosphated coating for corrosion resistance and a Phillips drive for easy installation. Each screw measures 24 mm in length with a 7 mm bugle head, offering a secure fit without damaging the surface. The twinfast fine thread ensures strong holding power, especially in drywall and other soft materials. With 200 pieces in each pack, these 1-inch equivalent screws are ideal for both professional construction projects and home repairs.