Tul Rollerball Fine Assorted Pens .5mm Blue Red Green Purple (OD98996) (4 Set) Write in style using these fine pens with innovative and sleek design. They have 0.5mm writing tips and comfortable grips for precision and smooth flowing writing experience. Secure these pens to pockets and notebooks using the stainless steel clips. Don't worry about smearing since the liquid ink dries quickly. This set of pens is a perfect gift for your boss, colleagues, or for your kids. Bundle of 4: 5 1/4 x 1/8 rollerball pens in blue, red, green, and purple.