Description Straight line tools can give you what's needed to create beautiful straight line for the professional look you are searching for. Now you are able to exert and combine your creativeness with the creative art ruling pen.Excellent for ruling lines and drawing with ink or other drawing liquids or thin paints. Feature - Color: As shown.- Material: special material.- Size: About13.00X0.60X0.60cm/5.11X0.24X0.24in.- Precision cross-hinged art ruling pen for masking fluid fine lines ink drawing tool.- Ruling pen is designed for fine line drawing, technical drawing, cartography and calligraphy.- It can also be used for making fine lines and borders in Indian ink, gouache, drawing ink and art masking fluid.- Excellent for ruling lines and drawing with ink or other drawing liquids or thin paints.- Ruling pen is cross-hinged for variable line width. The line width is set by the screw adjustment.- Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!Package list: 3 x Straight Line Pens