Vintage Dunhill 1980's Gold Plated Rollerball Pen. Black lacquer on clip with spring loaded action Condition: New old stock, No original box and instructions *This refill may be dry and will have to be replace The Montblanc (Dunnhill) Rollerball refill is a proprietary size This refill is similar to a standard ceramic rollerball (RB) refill, but it has threads on the front collar. It will not work in pens that take a standard ceramic rollerball refill. Length: 112.8mm (4.44″) Manufacturer’s website: Montblanc The standard ceramic rollerball refill is one of the most common profiles on the market. Most pen and refill makers have refills that match this standard. The official ISO length for these refills is 110 mm, but most vary between 110 mm and almost 112 mm. Schmidt lists its refills as 110.6 mm, but these do vary as well. Most others on the market adhere closely to the 111.1 mm measurement, which is exactly 4 3/8 inches in length. The words euro, european, international, and/or safety can also be used to describe this profile.
