This 1.0mm rollerball refill will fit both the Ohto Liberty and Ohto Words pens!
Also available in 0.7 mm.
849 Rollerball Fine Refill - Black Ink
$ 9.50
849 Rollerball Fine Refill - Blue Ink
849 Rollerball Medium Refill - Black Ink
849 Rollerball Medium Refill - Blue Ink