This lot of 25 Hot Dipped Galvanized Hex Head Lag Bolts is perfect for your fastening needs. Each bolt measures 41/2" inches in length and is made of strong and durable steel material. The finish of the bolts is hot-dipped galvanized, ensuring long-lasting protection against rust and corrosion. Please note that this product contains crude oil, gasoline, diesel fuel, and other petroleum products, which may expose you to chemicals like toluene, benzene, and nickel. These chemicals are known to cause cancer and birth defects or other reproductive harm, according to the state of California. However, these exposures can occur in and around oil fields, refineries, chemical plants, transport, and storage operations such as pipelines, marine terminals, tank trucks, and other facilities and equipment.