The Rocker Black Air Horn is a practical and versatile product that fits most makes and models. With a fitting size of 1/8 M NPT and a flare of 5 inches, this air horn is designed to deliver a powerful and attention-grabbing sound. Its horn length of 14.75 inches ensures maximum effectiveness. Sold individually, this air horn is a reliable and efficient choice for those seeking a high-quality and functional addition to their vehicle.