The Wingmaster Stainless Steel Peterbilt Battery Box Cover is a practical and durable accessory for your Peterbilt truck. With its 1-inch lip and stainless steel construction, this battery box cover offers excellent protection and a sleek appearance. It is designed to fit most Peterbilt 389 makes and models, ensuring a perfect fit for your truck. Sold individually, this battery box cover is a reliable and functional addition to your vehicle.