13cm Gel Ink Pen Refills - 0.5 or 0.38 mm $0.89 $1.11 13cm Erasable Ink Pen Refills - Blue or Black Ink $0.90 $1.12 11cm Gel Ink Refill - Extra Large Capacity - Retractable Pen Ink $0.95 $1.19 7cm Ballpoint Pen Refill - 0.5mm Tip - Blue or Black Ink $0.95 $1.19 8.2cm Ink Refill for Ballpoint Pen - Black or Blue Ink $0.95 $1.19 14.3cm Ballpoint Ink Refill - Extended Length Ink Cartridge Replacement for Ballpoint Pens - 0.38mm Fine Tip $1.43 $1.79 11cm Ink Refills for Retractable Pens - 0.5mm Ballpoint Ink Replacement Cartridges $1.27 $1.59