Elevate your construction projects with these premium concrete screw anchors, designed for securing materials to concrete, masonry, and other hard surfaces. These durable 3/16 in. diameter screws, measuring 3-1/4 inches in length, ensure a reliable and firm hold. Packaged conveniently in a set of 100, they are perfect for both professional contractors and DIY enthusiasts who demand strength and precision in their fastening solutions.