Onoto 5600 / 6230 /4601/ Plunger
Onoto '5600 /6230 / 4601' plunger unit
This plunger is specially designed for the '5600 / 6230 /4601/' type pen
This plunger has an ink shut off cone in the design and does not require a hard backing washer behind the rubber seal.
Each plunger purchased comes complete assembled with a 7.65mm diameter rubber seal
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