On The Run OTR.004 Ink Squeeze Marker 12 mm THE which matters more here since

which matters more here since thicker pencils generally need more torque to sharpen than a standard one does

The black ink is also sold in a bigger package of 1 litre: MTN Street Ink 1000 ml

designed to ease the hand strain that builds up from gripping a thinner pencil tightly for long stretches — useful if you deal with general hand fatigue

and the film itself is acid-free and photo-safe

On The Run OTR.004 Ink Squeeze Marker 12 mm THE which matters more here sinceThe On The Run OTR. 004 Ink Squeeze Marker 12 mm is a high quality, durable marker designed for graffiti works like tagging. Equipped with a 12 mm long haired felt tip, it provides smooth, consistent lines and excellent coverage on a wide range of surfaces. This squeezer marker holds 75 ml of alcohol based permanent ink and features a replaceable tip for extended use. Available in 7 vibrant colors, the OTR. 004 squeezer marker offers reliability and