This part of BS 7272 specifies requirements to reduce the risk of
asphyxiation from end closures for writing and marking instruments. It
relates to such instruments which in normal or foreseeable
circumstances are likely to be used by children up to the age of 14 years.
This part of BS 7272 is not applicable to the following:
• writing and marking instruments which are designed or only
intended for use by adults, e.g. jewellery pens, expensive fountain
pens, professional technical pens;
• end closures for refills;
• erasers and their protective covers.