OralGos Art Ruling Pen Bill Duck Straight Line Drawing for Masking Fluid Fine Lines and Technical Cartography

This art ruling pen is made from quality metal, and rust-proof. Duckbill designed, sharp and easy to use. Precise art ruling pen straight line drawing pen for covering fluid fine line ink drawing tools. The duck bill drawing pen is designed for fine line drawing, technical drawing, straight line drawing and calligraphy. There is an adjustable screw on the side, so you can change the length of line. Each adhesive remove eraser can help you to remove most adhesive residues conveniently. Suitable for grass, twigs, ropes, and can also be used to make fine lines and border in Indian ink, gouache, drawing ink and art masking liquid.