Zebra Pen Z-Grip Flight Retractable Pens 1.2 mm Bold Pen Point - Retractable - Multi Ink - Gel-based - Assorted Plastic Barrel - 10 / Pack Z-Grip Flight Retractable Pens deliver low-viscosity ink that combines the functionality of a ballpoint pen with the smoothness of a gel for an effortless write. Metal clip and nose cone offer durability. Soft rubber grip allows writing comfort. Nonrefillable pen also features a 1.2mm bold point.