This pack of 20 Hex Lag Bolts are perfect for any business or industrial project. With a screw size of #3 and a model of 3/4 x 3, these bolts are made for a 3 inch length. The hex-key drive style and hex head make it easy to install and secure the bolt. These bolts come in a system of measurement of inches and are sold as a pack of 20. They are ideal for use in fastening and hardware applications. Make your project a success with these high-quality Hex Lag Bolts.