Uni-Ball® Onyx 0.5 MM Red Micro Point Rollerball Pen Is A Great Option For Important Notes And Documents. Free Flowing Ink Enables Smooth Writing As Soon As The Onyx Rollerball Pens Hit The Paper. Smooth-Writing, Quick-Drying Ink Delivers Clean Writing Without Smudges And Smears. Precision Metal Point Is Ideal For Marking Carbon Copies Or Multipart Forms.