High quality material The woodworking marking pen is built from a premium aluminum alloy with an anodized finish. It offers a comfortable grip, is wear and scratch resistant, not prone to rust, and designed for long service life. 2-in-1 multifunction rolling wheel The rolling wheel design enables smoother scoring and can draw both parallel lines and circular arcs, handling a range of marking tasks with one tool. Precise scale A stainless steel scale on the rod provides clear markings with high accuracy and can be used as a depth gauge to measure the depth of the workpiece for convenient setup. Universal pen holder The universal pen holder accepts pens of different sizes such as leads, pins, and pencils. It is easy to operate and can improve work efficiency. Use scenarios - Mark parallel grooves or circular arcs on wood panels, templates, or veneers for routing, drilling, or assembly. - Use the scale as a depth gauge to set and verify cutting or milling depth. - Swap writing instruments quickly for carpentry, model making, or craft projects. This description aligns with the original product’s material, functions, and accessories while presenting clear benefits for practical use.