Shuttle Art Illustration Marker for Architectural Industrial Design Pens, Oil-Based, Gray, 15-Pack, Waterproof, Quick-Drying, Comics, Sketching,

[Gray Marker Set] This marker pen set includes 14 gray pens and 1 black pen. It's perfect for coloring illustrations. You can easily create gradients by using two or more colors and layering them. The alcohol-based ink is water-resistant and dries quickly. 【Twin Nib】This pen features two different nibs, one thick and one thin, allowing you to adjust them freely according to your needs. The 1mm nib is convenient for coloring in small areas and drawing thin lines, while the 7mm nib is ideal for coloring and covering larger areas. The pen body is easy to grip, and it allows for smooth and fluent writing. Your hand won't get tired even after using it for a long time. 【Multipurpose】Fast-drying, non-toxic, acid-free, and environmentally friendly. Suitable for adults and children aged 3 and up. Meets various needs such as comics, coloring books, portraits, and shading characters to create a sense of depth. Also applicable to architectural design, industrial design, interior and outdoor use, and costume making. ◎Caution: Not suitable for plastic sheet making, as color change and transfer may occur. [Caution] To prevent ink bleeding during use, do not leave the pen tip in contact with the paper. Except for marker pads, ink may bleed through depending on the paper quality, so please test before use. To prevent the pen from drying out and ink leakage, close the cap tightly after use and store horizontally. [Satisfaction Guarantee] If you have any problems with the product or any questions, please feel free to contact us. We will respond promptly and courteously and provide a solution. Please rest assured that we will continue to assist you until you are satisfied. Various uses: Comics, sketches, gradients, portraits, shading of characters with a sense of depth, architectural design, industrial design.