Frixion Synergy Knock Refill (LFRF)

Single refill for the . This refill has the Synergy Tip, the hybrid needle-nose conical tip that ensures smooth writing with the finest of tip sizes. Available in your choice of pink, orange, green, light blue, and blue black and .3mm to .5mm tip sizes. If you're looking for standard color options blue, black, or red, check out the that are available. These refills are also compatible with pens such as the and Frixion Point Knock.