Material: Made of premium acrylic sheet, high hardness and long service life. Function: Designed to draw bearing lines or course lines, indicating the degree or amount of direction. Precise Scale: The scale is engraved for accuracy and easy readability. Good Transparency: The navigation parallel ruler offers high transparency, minimizing obstruction of underlying information. Easy to Draw: Use both hands to hold each end of the ruler, alternately shifting in parallel motion. Sturdy links provide consistent tension, allowing precise parallel line drawing relative to another line or reference point. Material: Acrylic Color: As shown Package Contents: 1 x Parallel Ruler Note: Light reflection and display differences may cause slight variations between the item color in the image and the actual product. Measurement allowance: +/- 1-3 cm. Please check the product dimensions carefully to ensure compatibility with your requirements. Detailed specifications and features are provided in the title and product information. We aim for complete customer satisfaction. If you have any questions, feel free to reach out for assistance. Thank you for choosing our product. We hope you enjoy using it.