The Milwaukee 42-70-0012 Belt and Pulley Assembly is designed to efficiently transfer power within compatible tools, ensuring smooth operation. It works by connecting the motor to the tool’s moving parts through the belt and pulley system, facilitating consistent performance. This assembly enhances reliability and maintains optimal tool performance, reducing downtime and wear. Its stu... https://www.wholetoolbox.com/milwaukee-42-70-0012-belt-and-pulley-assembly