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Uni-Ball Vision Rollerball Pen Fine$2.28
Vision Rollerball Pen features an innovative system that regulates a steady flow of waterproof ink to the point for consistent smoothness and color intensity. Solid, stainless steel point is quiet, responsive and won't bend under pressure. Uncapped pen offers a visible ink supply.
Ink is acid free, fade resistant and water resistant. Nonrefillable.