The Kenworth T660 with Rear Mount Exhaust 72 Inch Sleeper Panels is a practical and durable product made of 304 stainless steel. It includes 4 P1 LED lights, available with either an amber or clear lens, providing excellent visibility. With a 14-inch light spacing and a height of 2 3/8 inches, these panels are sold as a pair, making them a convenient and efficient choice for enhancing your vehicle's lighting system.