Zebra F-301 0.7mm Fine 27110 Black Ink Retractable Ballpoint Pen. Retractable ballpoint pen features a contemporary, stainless-steel barrel with stylish design and world-class quality. The lightweight yet durable stainless-steel barrel provides a modern and attractive appearance. F-301 Stainless Steel Pen also features a nonslip grip for writing comfort and ease. Sturdy, metal pocket clip allows easy storage and accessibility. Ballpoint pen is refillable with Zebra's Z2A85512 Refill.