Onoto 7.65mm (1x) & 3 Cork Seals repair pack
Onoto Repair Pack
Suitable for the MINOR, STYLO, and 5600/6230 pens this washer is 7.65mm diameter.
The price is for 1x washer and 3x cork seals for a single pen repair. A backing washer is also included in the price.
In order to minimise cracking of the cork when handling, the corks have been impregnated with medical grade paraffin wax which lubricates the surface and helps the plunger rod slide easily while maintaining a seal.