This pack of 200 Star Concrete/Masonry Sleeve Anchors is perfect for any construction project. Made of durable metal, these anchors feature a flat screw head and a slotted drive style for easy installation. Measuring at 1/4 inch in diameter and 2 inches in length, these sleeve anchors are contractor grade and will securely fasten any object to concrete or masonry surfaces. Ideal for industrial or business use, these sleeve anchors are designed to withstand the toughest conditions and provide a reliable solution for fastening. Whether you are building walls or installing heavy machinery, these anchors are a must-have for any construction project. Please use pictures as part of description.