Uni-Ball Eye Fine Rollerball Pen - Black Box of 12 UB-157 "The Uni-Ball Eye Fine Rollerball Pen is a top choice for fine writing. With its black ink and box of 12, you can be sure to always have a high-quality writing instrument on hand that delivers consistent, smooth lines. The UB-157 allows for precise writing while its rollerball ensures a strong, bold look for any project or task. Experience unmatched control and accuracy with the Uni-Ball Eye Fine Rollerball Pen."