The Peterbilt 23 Inch By 33.5 Inch Aluminum Fuel Tank Step Assembly is a practical and durable solution for accessing fuel tanks on most Peterbilt models. Made of aluminum, this step assembly is designed to fit most makes of Peterbilt trucks. With its 23-inch by 33.5-inch size, this fuel tank step assembly provides a secure and stable platform for easy access to the fuel tank. Sold individually, this product is a reliable and convenient addition to any Peterbilt truck.