Texture: Aluminum and stainless steel Color: Golden Dimensions: 4.9in / 12.5cm Circle diameter range: approx. 0.4 - 3.0 inches / 1 - 7.5 cm Accuracy: 1mm Measuring range: 10-100mm High-Precision Measurements: The circle drawing tool is designed to help draw precise circles and circles. With a maximum diameter of about 12.5 cm (4.9 inches), the tool not only helps you draw, but also serves as a ruler and caliper, allowing you to directly measure radii, diameter, and other parameters for quick modifications Adjustable Design: Our round tube measuring tool has an adjustable mechanism that allows you to easily stretch the diameter by rotating the ring clockwise to create a larger circle or a smaller circle counterclockwise. This innovative circular drawing maker is perfect for professionals who need precise geometric drawings Metal: Made of high-quality aluminum alloy and stainless steel, this pipe measuring tool will stand up to years of use without rusting. Its sturdy metal material ensures durability, making it a reliable companion for home projects or professional applications where safety and accuracy are important Portable: Lightweight and easy to carry, this round artifact is perfect for artists, students, and woodworking enthusiasts. Whether you're working in the field or in the studio, its compact design ensures that you can effortlessly transport this drawing tool to a variety of environments while achieving professional results Versatile tool: More than just a drawing ruler, this circular measuring tool integrates measurement features that enhance your workflow. Now you can confidently create holes, dimensions, and fillets without the need for separate measurement tools, streamlining your project and improving overall efficiency Products include: 1/2 * Round Measuring Tool Versatile tool: More than just a drawing ruler, this circular measuring tool integrates measurement features that enhance your workflow. Now you can confidently create holes, dimensions, and fillets without need for separate measurement tools, streamlining your project and improving overall efficiency Metal Construction】: Crafted from aluminum alloy and stainless steel, this measuring tool is and rust-resistant, ensuring long-lasting use for both projects and professional applications. High-Precision Measurements: circle drawing tool is designed to help draw precise circles and circles. With a maximum diameter about 12.5 cm (4.9 inches), tool not only helps you draw, but also serves as a ruler and caliper, allowing you to directly measure radii, diameter, and other parameters for quick modifications Adjustable Design: Our round tube measuring tool has an adjustable mechanism that allows you to easily stretch diameter by rotating clockwise to create a larger circle or a smaller circle counterclockwise. This innovative circular drawing maker is perfect for professionals who need precise geometric drawings Metal: Made aluminum alloy and stainless steel, this pipe measuring tool will stand up to years use without rusting. Its sturdy metal material ensures durability, making a companion for Home projects or professional applications where and accuracy are important.