Motion Pro is dedicated to producing the most versatile, unique and durable products for professional and home use. Motion Pro tools are designed to be simple to use, yet durable enough to withstand the harshest conditions. One of their goals is to offer tools of convenience. Do it right the first time with Motion Pro Tools. The ATV Axle Wrench is for use on the innermost nut during the torque process (cutout allows it to pass over the jam nut). Made from heat-treated steel. Includes a 1/2" drive slot for use with a torque wrench or breaker bar. Sold as a set.