Zebra Pen 29211 Ballpoint Pen,Retract,0.7mm,1/PK,Black Ink,Stainless Steel Sold as 1 PK. Retractable ballpoint pen offers an executive-style barrel and a fine point. Sturdy, metal pocket clip allows easy storage and accessibility. Stainless steel ballpoint pen also features a soft rubber grip for writing comfort. Pen is refillable with Zebra F-Refill.