This product is a versatile and durable solution for Mack truck owners. Available in either a sleek black powder-coat or polished aluminum finish, it features a 5-hole bolt pattern and a 36 spline count. Designed to fit most Mack models from 1951 to May 2001, as well as most Mack sleeper cabs from May 2001 to the present, this product offers practicality and convenience. With its high-quality construction and compatibility with a wide range of Mack trucks, it is a reliable choice for truck owners seeking a dependable and long-lasting solution.