Ballpoint Pen Refill - Gel Ink - Black

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SPECIALIZED MANUFACTURERS Including OHTO and Schmidt parts
TO GOOD STANDARDS Parker and Cross formats, standard converter
RECHARGE, DO NOT THROW AWAY The pen is set to last for years.
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Black 0.7 mm gel ink refill from ystudio, custom-made in Japan by OHTO, featuring a metal body and smooth tip. Length 98 mm, diameter 5.8 mm, compatible with ystudio's Classic Revolve and YAKIHAKU portable ballpoint pens, as well as most pens that take a Parker-type refill.


Features
Dimensions
98 millimeters × Ø 5.8 mm
Weight
20 g
Material
Metal
Color
Black
Origin
Japan
Brand since
2012
Spare parts

What makes a pen last

A ystudio pen is made to stay on the desk for a long time, but the ink runs out. These are the parts that take over, ballpoint refills and piston converters, those you change without thinking and that determine the smoothness of the line. ystudio relies on specialists: the 0.7 mm gel ink refill is custom-made by the Japanese manufacturer OHTO, while the high-capacity P900M refill and the K5 converter come from Schmidt. All follow shared standards, Parker or Cross format for the ballpoint and a standard converter for the nib, so they also fit most other pens. A part costing just a few euros, and the pen is ready for pages and pages again.

Writing, in brass
Writing, in brass
Refills and converters
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Photo
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0,7 mm
Medium tip, black gel ink
98 mm
Length of Parker-format refills
OHTO
Japanese gel manufacturer
Standard
ystudio and Schmidt K5 converters

YSTUDIO USAGE PARTS

What you need to know before recharging

01

Made in Japan by OHTO

The 0.7 mm gel ink refill is custom-made by the Japanese manufacturer OHTO. Its black ink and metal body provide stable and smooth writing.

02

The large Schmidt capacity

The P900M is a high-capacity ballpoint refill with a stainless steel tip. It fits ystudio portable ballpoint pens and the spring model.

03

The Parker standard

The P900M and the OHTO gel refill measure approximately 98 mm long and 5.8 mm in diameter, in the standard Parker format. The Y-BP05, about 100 mm long, follows the Cross format and is intended for the Classic Revolve Slim.

04

The piston, not the cartridge

The converter draws ink directly from the bottle and then holds it in its reservoir. The nib is therefore supplied without a disposable cartridge.

05

A part made of brass

The ystudio converter measures 67.2 mm in length and 7.3 mm in diameter, revealing a part made of brass. It fits the entire series of fountain pens from the brand.

06

Check compatibility

The Schmidt K5 converter, 75 mm for 7.8 mm, is suitable for ystudio fountain pens, except for the resin model. A point to check before ordering.