Zebra Z-Grip Retractable ballpoint pen 1mm medium point smooth ink for a smooth, skip-less writing experience. Rubber grip adds control and comfort. The grip prevents the pen from slipping out of your fingers and keeps your hand cushioned while writing. Translucent barrel lets you monitor the ink supply. See through barrel allows you to immediately identify the ink color you're looking for. Easy Glide Ink Performance helps ensure smooth writing.