JetPens.com proudly presents the Zebra 4C-0.7 Ballpoint Pen Refill - D1 - 0.7 mm - Blue. These refills fit the Zebra Mini T3 Ball point pen, Zebra Penpod Mini Keychain Ballpoint Pen, Zebra SL-F1 Mini Ballpoint Pen, and Sharbo X.Multiple colors available.