Product Description Features Multifunctional Drawing Tool: Our drafting tool seamlessly transforms from a perfect circle drawer to a parallel line drawing tool, meeting diverse drawing needs in carpentry, design engineering, and decoration work. High-quality Material: Crafted from durable aluminum alloy and enhanced with anodized oxidation treatment, this tool showcases superior quality and longevity. Precision Drawing: Capable of drawing circles with a semidiameter from 12mm to 290mm and parallel lines within the same range, this tool ensures optimal precision and accuracy for all your projects. Easy-to-use: Featuring a 1.2mm hole diameter, it accommodates any compatible writing tool, making it exceptionally user-friendly for both professional and DIY applications. Lightweight: Weighing only 0.22 kg, its lightweight design enhances handling and portability, ensuring ease of use across various tasks. Specifications Product Name: Circle Drawing Ruler Product Model: MG0-000-0118 Product Material: Aluminum Alloy/Anodized Oxidation Treatment Application: Woodwork Drawing Circle/Drawing Line Line Hole Diameter: 1.2mm Semidiameter Range: 12mm – 290mm Product Weight: 0.22kg Optional Units of Measurement: Metric (CM) and Imperial (INCH) Package Included 1 x Circle Drawing Ruler (Measurement Unit of your choice)