uni-ball® Power Tank™ Ballpoint Pen Refill, 1.0 mm, Black, Pack Of 2

Ink is formulated to flow smoothly when writing on wet surfaces and in extremely cold weather. Quick-drying, smear-free results time-after-time. Enjoy traditional Sanford? fine quality writing. Pen Refill Type: Ballpoint; Refill For Series: PowerTank RT Ballpoints; Tip Type: Conical; Point Type: Bold.

A pressurized refill that performs under adverse conditions Works in extremely cold temperatures, writes on wet surfaces - even writes upside down! Refill - designed for use with a specific refillable, helping you save resources and money by extending the life of your product.