The Simpson Strong-Tie SL31212H Sleeve Anchor is a high-quality fastening solution designed for anchoring purposes. With a length of 2-1/2 inches and a sleeve diameter of 5/16 inches, this anchor is perfect for a variety of industrial and commercial applications. The box of 50 anchors ensures that you have an ample supply on hand for your next project. Made by Simpson Strong-Tie, a trusted brand in the industry, you can rely on the SL31212H Sleeve Anchor for reliable performance.