Clear and easy to read: The woodworking circle scale is professionally laser-printed with a red background and white markings. Clear, legible marks make it simple to draw circles in different sizes for accurate, professional results. Dual scale for versatility: Metric and imperial markings are included, suitable for woodworking, metalworking, decorative design, and industrial drawing. The tool is flexible and convenient to use across tasks. Easy to use: Simple to operate. Set the radius or angle, lock it in place, then glide to produce smooth, precise lines with minimal effort. Versatile marking tool: The red 300 mm adjustable circle ruler functions as a compass, marking gauge, and scriber for woodworking. It supports precise, adjustable measurements with a minimum radius of 36.5 mm and a maximum radius of 300 mm, meeting diverse marking needs. Use scenarios: - Woodworking: lay out circular features for joinery, hinges, or decorative elements on panels. - Metalworking: mark holes and arcs on metal sheets or parts. - Design and drafting: create circular motifs and transitions in decorative or industrial drawings.