Material: This scribe is made of high-quality cast steel, which is sturdy and durable. The inner and outer aluminum wheels are paired with a solid rubber center drive wheel for durability. Design: The handle of this marking machine adopts ergonomic design, which is more convenient to use, and it is also equipped with pulleys to adjust the direction, so that it is easy to perform accurate marking operations where needed. Width Adjustment: The width of this marking machine can be adjusted freely, and the range of 5-15cm can be adjusted to meet different needs, and it is more flexible and convenient. Labor-saving and Efficient: using a marking machine saves more effort. There is no need to bend over when the marking machine is working. Standing work reduces physical exertion and greatly improves work efficiency. It is a time-saving and labor-saving tool. With its robust and durable structure, it is easy to move and adjust, making it suitable for professional construction or routine maintenance, thus enhancing the safety and convenience of line marking operations.