Deli EQ20220 Mate Rollerball Pen has a 0.5 mm tip. Constructed of ABS, AS and PC material. Pen clip for a good portability. Smooth writing with convenient low ink indicator on barrel. Available in blue and black colours. 0.5 mm Tip Rollerball Pen Constructed of ABS, AS and PC material Convenient low ink indicator on barrel Available Colour : Black