This Carpenter's Circular Drawing Ruler is a versatile tool, perfect for drawing both circles and straight lines with accuracy. Crafted with durability, it's an essential addition to woodworking toolkit. Whether you're marking out a circle or need a straightedge, this tool is designed to deliver accurate results every time. Features: Versatility: This Carpenter's Circular Drawing Ruler is not just for drawing circles, it can also be used for drawing straight lines, making it a multi-functional tool for your woodworking needs. Wide Range: Capable of drawing circles with a radius of 12mm to 290mm and straight lines from 0-290mm, this ruler offers a wide range of possibilities for your projects. Stable Construction: Made from fine quality aluminum alloy, this ruler is designed to withstand the rigors of woodworking operations, ensuring long-lasting use. Dual Measurement Systems Optional: Featuring optional metric and imperial measurements, this ruler caters to different measurement preferences. Accuracy Marking: With its clear and accurate scale, this ruler ensures accurate and consistent markings, making your woodworking projects more professional and accurate. Specifications: Type: metric, imperial (optional) Material: alumunim alloy Main color: black Package size: 355 * 127 * 36mm / 14.0 * 5.0 * 1.4in Package weight: 310g / 10.9ounce Packing List: 1 * Circular Drawing Ruler