Schmidt 8120 roller refill is a liquid ink rollerball pen refill with a medium 0.7mm tip. Capless quality suitable for retractable roller pens - one year cap-off time. Metal tube with stainless-steel tip and ceramic ball. Length 109mm, diameter 7mm.

Check the length of the refill you need - Schmidt have the 8120 and the P8120, which are not interchangeable.