uni power tank ball point pen snp 10 refill 1 0mm Moss Pigment-based black ink — waterproof

Pigment-based black ink — waterproof and fade-resistant once dry

Molotow Marker Pad i A3-format (420 x 297 mm)

chrome arrow clip throughout

and technical designers who need precise geometric structure without the weight of a hardcover

or just plain bombing

uni power tank ball point pen snp 10 refill 1 0mm Moss Pigment-based black ink — waterproofThis is the replacement cartridge for the uni Power Tank SN 220 pen series, built as a self contained pressurized capsule rather than a standard open vent refill the internal air pressure is what actually drives the ink forward, so a regular gravity fed refill wouldn't work the same way in this pen. Swapping the cartridge takes only a few seconds and fully restores the host pen's ability to write upside down, on wet surfaces, or down to 20C, since