The Mack RD688 and RD690 Western Contractor Conversion 18 Inch Bumper with Mounting Holes is a practical and durable product designed for Mack RD688 and RD690 Western Contractor Conversion models. Made from 304 grade stainless steel construction material and featuring 11 gauge thickness, this bumper offers exceptional strength and longevity. With its 18-inch length and convenient mounting holes, it is easy to install and fits most models seamlessly. Sold individually, this bumper provides a reliable and functional solution for contractors seeking a sturdy and reliable bumper option.