OTR-070 Hard To Buff Marker Night Quill Pump marker filled with alcohol-based

Pump marker filled with alcohol-based industrial ink

experimenting calligraphic lettering and going beyond the standard writing

it discharges huge amounts of ink

Broad 30mm nib

OTR-070 Hard To Buff Marker Night Quill Pump marker filled with alcohol-basedOTR. 070 R The famous OTR. Hard To Buff marker is filled with a deep black and very strong alcohol based ink. It is instantly waterproof. The ink is also fadeproof. Its drippy, dirty, and really hard to buff. The Hard to Buff marker features a great pump action system. Easily refillable with OTR Hard To Buff Ink, and has a replaceable 8mm round felt nib. Hard To Buff Instantly Water Proof Long Lasting Refillable Pump system makes ink flow like crazy