[Features]<br> The manual ruler provides accurate measurements through the aluminum chain, providing appropriate tension for drawing straight line parallel to another line or reference points.<br> Good Transparency: This parallel navigation ruler has good transparency, does not cover too much information, and can view the entire page.<br> Accurate Scale: The measuring ruler has an accurate scale and is easy to recognize, making it a good accessory for drawing and measuring. A manual ruler provides accurate measurement through an aluminum chain, providing appropriate tension for drawing a straight line parallel to another line or reference point.<br> Easy to Draw: Our nautical ruler is adjusted through stable aluminum chains, which are smooth and powerful, making it easy to draw reference parallel lines.<br> Size Information: This ruler is approximately 45cm/17.72in long and is very suitable for charting.<br> [product information]<br> product name: parallel ruler<br> color: Transparent<br> Material: Acrylic<br> size:450mm<br> Packing list (you can get after purchasing one item):<br> Parallel ruler *1<br> Please understand:<br> 1. Due to the long shipping time, the item may be damaged during the shipping process, if the item is damaged, please leave us a message through the official website immediately before posting comments, and I will solve the problem for you.<br> 2. Due to manual measurement, the size may have an error of 1-3cm.<br> 3. Colors may vary from monitor to monitor.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store