Using these Milwaukee oscillating multi-tool blades is easy. First, make sure your oscillating multi - tool is turned off and unplugged. Then, attach the blade to the tool according to the tool's instructions. When using, start with a slow speed and gradually increase as needed. Remember to wear safety goggles and gloves to protect yourself. For different materials, you may need to adjust the cutting speed. For example, when cutting wood, a medium - high speed usually works well, while for metal pipes, a slower speed is better. After use, clean the blade with a dry cloth to remove any debris. Store the blade in a dry place to prevent rust. If the blade becomes dull, it's time to replace it for continued optimal performance.