This is a top - notch half - moon Woodruff key for the KA100 magneto. It's the key for the crank shaft, ensuring smooth operation and reliable performance.

To use this Woodruff key, simply insert it into the designated slot on the crank shaft and the magneto. Make sure it fits snugly. When handling, be careful not to damage the key as it may affect its performance. For maintenance, keep it clean and dry. If you notice any signs of wear, replace it promptly to avoid issues with your engine.