- Great Quality, Superb Value - Biro / Ballpoint / Stick Pen Refills BLACK INK Dimensions : 107mm Length / 7mm Tip Medium Tip - 0.7mm An environmentally friendly way to refill your pen. Our Medium Nib Ballpoint Refills are filled with black, oil-based ink for smooth writing that dries quickly and looks great. Works with Pilot B2P Pens and others.
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