Paper Mate InkJoy Long Ballpoint Pen Refills, 1.0mm, Medium Point, Black Ink, Pack of 3 (1815035) Papermate 1815035 InkJoy Ballpoint Pen Refill, Long, Black, 3/Pk Refills for your favorite pens. The InkJoy? writing system starts quickly without dragging, requires minimal pressure from your hand, and delivers crisp, clean lines every time.