Zebra Pen Z-Grip Retractable Ballpoint Pens - Retractable Ballpoint Pens feature a soft rubber grip for all-day writing comfort. Lightweight pens offer a 1.0mm medium point, visible ink level and a sturdy metal clip. Barrel color indicates ink color. Nonrefillable. Lightweight Soft rubber grip for all-day writing comfort Clear barrel for visible ink supply; grip color matches ink color Retractable; nonrefillable 1mm medium point; assorted ink