The Wej-It 1/2" Drop-In Anchors (Model WDM12) are a high-quality fastening solution designed for use in the United States. Made of durable stainless steel, these anchors feature a 5/8 inch interior diameter and a 1 inch length. With a thread size of 1/2-13, this box of 50 anchors is perfect for various industrial and commercial applications requiring reliable and secure fastening. The Wej-It brand ensures a dependable and corrosion-resistant product that meets the standards for excellence in fasteners and hardware.