The Stainless Steel Back Up Alarm On/Off Switch Plate is a practical and reliable product designed to fit most Peterbilt makes and models. Made from durable stainless steel, this switch plate ensures long-lasting performance. With its easy-to-use on/off switch, it provides convenient control over your vehicle's back-up alarm. Sold individually, this switch plate is a must-have for any Peterbilt owner looking to enhance their vehicle's functionality and safety. Trust in the quality and practicality of this stainless steel switch plate for a seamless and efficient driving experience.