The art ruling pen made of alloy materials is environmentally friendly and durable, has excellent texture, and can be used for a long time without being easily damaged. The meticulously made straight line pen is mainly suitable for drawing and washing straight lines in ink line drawings and comic borders. It can help you draw beautiful straight lines more easily. It is a very professional drawing tool that will meet your needs well. Features: Material:Alloy. Size: About14.50X2.00X2.00cm/5.70X0.79X0.79inch. Intimately adopts an adjustable design, you can use it according to your needs. The product has a certain degree of professionalism, and you need to pay attention to skills when using it. The product is mainly made of alloy materials, which is more durable and will not be easily damaged or deformed. The professional straight line pen is suitable for drawing ink line drawing, can help you draw straight and beautiful borders. The meticulously crafted linear pen has a good touch and is easy to master, which will make your drawing process easier. Packing list:4 x Art Ruling Pen.