Uni Power Tank SN-227 Retractable Ballpoint Pen 0.7mm Blue Box of 12

uni-ball's page says a pressurised ink delivery system enables the Power Tank pens to continue writing upside down, in extreme cold (up to minus 20 degrees), on shiny surfaces, wet paper and even underwater. That sentence names the Power Tank pens, not the SN-227 by name, and the page prints no unit for the temperature.

uni-ball publishes no altitude figure and no angle figure for the Power Tank, so we state none. Its 2026 catalogue says it writes clearly in any position and writes on almost any surface.

uni-ball's 2026 catalogue lists the SN-227 at 0.7mm. Its product page lists the code but publishes no size for it.

uni-ball's 2026 catalogue lists a retractable body, an elastic rubber grip and a stainless steel tip. uni-ball's page says it is made with 55% recycled content and does not say which part.

uni-ball's 2026 catalogue prints SNP7 beside the SN-227, and its page lists SNP10 and SNP7 under refill compatibility for the Power Tank. We have not confirmed which refill fits the SN-227, so we name none.

uni-ball publishes no colours or images for the SN-227, and its safety data sheet does not name the code. The blue comes from the MPA price list.

The MPA price list sells this code by the box of 12. uni-ball does not state a box quantity in its own copy.

Not for this code. uni-ball publishes 'INK for uni POWER TANK all color', issued 12 September 2025, but it names SN-220 and SNP-10, not SN-227, so we state no classification for the SN-227 and do not apply that sheet to it.

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