The Hilti KB1 3/4”x4 3/4” Concrete Anchor Pack of 10 is a high-quality product designed for securing heavy loads in concrete. With a diameter of 4 inches and a thread size of #4, these anchors are perfect for various construction projects. The open end design allows for easy installation, while the pack of 10 ensures you have plenty on hand for your next job. Trusted for durability and reliability, Hilti anchors are a popular choice among professionals in the industry.