Teacher's pen refills

[dmadis]

Just got some teacher pen kits from Woodturningz and was wondering if the small ink refills that come with this kit last for a reasonable amount of writing. Maybe should provide some red and black refills when a pen sells? (The refills are about a dollar for each color in the PSI catalog.)[:0] Also does anyone know if refills are readily avialable elsewhere so pen buyers can get them?

 

[Fred in NC]

These are the "mini" ballpoint refills. Look at it and compare it with a regular Cross type refill. I would say it only has 1/4 of the amount of ink in a Cross refill.

I have seen these refill at the Target stores in black only. I don't like selling pens for which refills are hard to get.