DRAWING SYSTEM PENS - High-quality technical drawing pens for drafting, illustrating, and graphic design.
METAL REINFORCED COLLAR - Nib is reinforced by a metal collar, making it suitable for use with rulers or templates while minimizing nib damage.
FADE PROOF AND WATER RESISTANT - Durable ink is fade-proof and water-resistant, which ensures lasting impressions in harsh environments.
ACID FREE - Ink is acid-free, so you can expect your marks to last longer, stay sharp, and maintain color intensity.
WRITING WIDTH - 3 different pens produce widths of 0.1mm, 0.3mm, and 0.5mm.
LOW ODOR - Ink is xylene-free, so there are little to no offensive odors or smells.
SAFETY - AP certification identifies art materials that are safe and certified in a toxicological evaluation by a medical expert to contain no materials in sufficient quantities to be toxic or injurious to humans, including children, or to cause acute or chronic health problems. RoHS compliant, so you can feel confident that the product is safe from hazardous chemicals.