The Bon 21 - 242 Hand Tracer features a 2 - inch carbide tip bonded to steel. It has a heavy - duty 1 1/8 - inch stock with a comfortable grip shape. Measuring 8 3/8 inches long, it can be sharpened using a green silicon carbide grinding wheel, offering durability and ease of use for various tasks.

To use this hand tracer, simply hold it by the comfortable grip and use the carbide tip for tracing or marking. When sharpening, use a green silicon carbide grinding wheel. Make sure to hold the tool firmly and at the right angle for the best results. As for maintenance, keep the tool clean after each use. Avoid dropping it as it could damage the carbide tip. If you notice the tip getting dull, it's time to sharpen it using the recommended grinding wheel. Store it in a dry place to prevent rusting and extend its lifespan.