Ohto C-310 Ceramic Rollerball Refill, 1.0 mm Blue

Ohto ceramic rollerball refill in sealed tube. Smooth writing ceramic tip, brass barrel, water based ink. Blue ink, 1.0 mm bold point. Ohto stock number C-310. Fits Ohto and any other rollerball pens that take the standard international size rollerball refill. Made in Japan.

Compatible with Schmidt 5888, UNI UBR-300, Pentel BLF5, Zebra A-300, Sailor 83-0300, Pilot 30EF/30F/50EF, Sakura H refill, Pelikan 338, Levenger APP934.

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Each refill is factory sealed in a plastic tube

Rollerball refill is 4-3/8" long (110.6 mm)