Pilot Frixion Refill Ball Slim Multicolor 4 Colors 1 3 3 3 1 Green LFBTRF30UF LFBTRF12UF Gel Ink Ultra Fine Tip [0.38mm Green, Black, Red, Blue]

This is a set of 0.38mm diameter friction refills that can be used with the Friction Series multi-color ballpoint pens and Friction Ball Slim. Total length: 87.5mm Maximum diameter 3.6mm *Do not use on documents, addresses, or other items that should not be erased. *Green contains one piece. Black, red, blue... 3 of each. This is a set of 0.38mm diameter friction refills that can be used with the Friction Series multi-color ballpoint pens and Friction Ball Slim.