This uni-ball Impact 207 RT Gel-Ink Pen Refill features a bold tip and blue ink, ideal for those who desire a smooth and bold writing experience. The refill is designed for the Uniball brand, model number 442367, and falls under the sub-type of ink. This product is perfect for business and office use and can be found under the "Pen, Ink & Lead Refills" category. R11B28
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