Metric & Inch Adjustable Drawing Circle Ruler Aluminum Compass Scribe Center Finder Woodworking Fixed-Point Circle Line Marking Features 1.Durable and Anti-rust: Achieve precise measurements with our carpenter , made of durable aluminum alloy and coated with a CNC anodized red finish for anti-rust and smooth operation. It is a reliable tool that promises long-lasting durability and enhanced precision for your woodworking projects. 2.Versatile Performance: With a minimum circle radius of 3.65 cm and a maximum of 300 mm, this carpenter meets every drawing need. Seamlessly adjust the radius while maintaining accurate precision for enhanced functionality in carpentry. 3.Convenient Accuracy: Achieve accurate and precise woodworking with our carpenter . The clear and easy-to-read markings on the white-on-red color combination ensure accuracy when drawing circles of variable sizes, while the woodworking markings add to its versatility. 4.Efficient to Use: Insert your pen into our carpenter to draw various-sized circles and determine the center effortlessly. Our easy-to-use tool saves time on integration and assembly, making it perfect for all your carpentry needs. Specification: Material: aluminum alloy Minimum circular radius: 36.5mm (1.43in) Maximum circular radius: 300mm (11.81in) Package included: 1* Woodworking Compass Notice 1. Manual measuring, please allow 1-3cm error,thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.