The marking pen is produced with a water based evaporator. The pen is easy to use, as it can be used with one hand, just place a small dot on the queen thorax. Keep to the international Beekeeping Colour code and you'll know how old your queen is. Carry the pen in your beekeeping suit for convenience.
1.8 - 2.5mm bullet shaped tip makes this brand leader a firm favourite with beekeepers.
Water based, quick drying and non-toxic.
We are an official re-seller and these are genuine Uni Posca pen direct from Uni Mitsubishi UK