Suitable for the MINOR, 5600,4601, 6230 to 6235 and STYLO type pens this washer is 7.65mm diameter.
Due to the design of the Minor plunger this washer will need a 0.6mm thick hard backing washer inserting on the top in order to create a seal. This is included in the cost.
Price is for 5 washers and 5 backing washers.