Paper Mate PhD Retractable Medium Tip Ballpoint Black Ink Pen, Assorted Barrel Colors (69302PP) A design classic and a household name, it's fun, practical, and perfect for those who need a pen on the go and love simple yet cool accessories. The ballpoint nib offers exceptional durability and ease, coupled with an iconic clip and streamlined design. Ballpoint pens are convenient for daily use. Parker's Quinkflow technology provides smoother, cleaner, more consistent writing performance. The first pen Parker sold is available in a great variety of colors with a simple long shape.