Your search for "parker gel" revealed the following:
Monteverde Refills Parker Style Ballpoint to Pencil Convertor .5mm Pencil
$ 8.25For plug-in or screw-in assembly. Converts most Parker style ballpens into pencils. Lead 0.5mm (not included).
Pilot G2- Refills - Black - Fine Point - Gel Pen
$ 2.94Dynamic Gel Ink Formula that's smooth writing and smear-proof. Fits G2 G2 Limited G2 Pro G6 Dr. Grip LTD. Dr....
Monteverde - Refills Parker-Style - Red - Ballpoint Pen - Medium Point
$ 5.00Sold individually This Parker-Style refill fits over 90% of the ballpoint pens that are currently manufactured. This refill is compatible...
Monteverde - Refills Parker-Style Pink - Ballpoint Pen - Medium Point
$ 5.00Sold individually This Parker-Style refill fits over 90% of the ballpoint pens that are currently manufactured. This refill is compatible...
Monteverde Ballpoint Refills (Parker Style) - Schmidt P900 - Red - Medium Point
$ 4.35The Schmidt P900 Parker-Style ballpoint refill is one of the most common types of refills that would fit a majority...
Pilot G2 - Refills - Purple - Fine Point - Gel Pen
$ 2.94Dynamic Gel Ink Formula that's smooth writing and smear-proof. Fits G2 G2 Limited G2 Pro G6 Dr. Grip LTD. Dr....
Monteverde Soft Roll Ballpoint Pen (Parker Style) Refills - Black - Extra Fine
$ 5.00Monteverde Soft Roll refill transforms the ballpoint pen into a miracle of writing technology! The latest break-through in ink technology...
Monteverde - Refills Schmidt P900 Parker Style - Green - Ballpoint Pen - Medium Point
$ 4.50The Schmidt P900 Parker-Style ballpoint refill is one of the most common types of refills that would fit a majority...
Monteverde Parker-Style Black 1.4mm Broad Soft Roll BP Refills
$ 5.00Sold individually This Parker-Style refill fits over 90% of the ballpoint pens that are currently manufactured. This refill is compatible...