Tool | The ruling pen is designed for fine line drawing technical drawing cartography and |
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Calligraphy | It can also be used for making fine lines and borders in Indian ink gouache drawing ink and art masking |
Fluid | Excellent for line lines and drawing with ink or other liquids or thin |
Colors | Ruling is cross hinge for variable line width The line width is adjusted by the adjustment |
Healifty 3Pcs Adjustable ruling pen straight line drawing pen for masking fluid fine lines (Size S/M/L) Review