Uni-ball Eye UB-150-10 Liquid Ink Rollerball Pen 1.0mm Red Box of 12

uni-ball's 2026 catalogue lists a Broad 1.0mm tip for the UB-150-10, and the MPA price list agrees. The tip size field on its product page lists the UB-157 only, so the 1.0mm figure rests on the catalogue and the price list.

uni-ball's page for this model shows the uni Super Ink logo, and Mitsubishi Pencil Australia advises that pens carrying that logo are water, fade and time resistant. We do not describe the pen as waterproof or fade-proof, and we hold no test result for this model.

uni-ball calls the ink liquid ink and does not classify it further for this model, so we do not call it pigment or dye.

uni-ball does not say for the UB-150-10, so we do not state it either way.

uni-ball publishes no refill for the UB-150-10, so we do not state one.

Yes. uni-ball publishes one for its Eye inks, issued 23 January 2023, and it names UB-150-10 among its product numbers. It classes the ink as a skin sensitiser category 1, with the signal word Warning and the hazard statement H317, May cause an allergic skin reaction.

We list blue and red in boxes of 12. uni-ball's page names no colours, but its safety data sheet lists these among the ink colours for the Eye range.

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