Uni Mitsubishi Eye Needle Pen UB-187S

The Eye Needle UB-187S liquid ink rollerball pen has a 0.7mm needlepoint, bend resistant tip which is so strong and durable, that it won’t break or bend even under severe pressure.
The 'needle' tip gives you ultra-precise writing performance and contains uni Super Ink, which is fade resistant, water resistant and tamper proof.
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Uni Mitsubishi Eye Needle Pen UB-187S