This is from Inline Fabrications
The small (4”x 6”) Inline Fabrications mirror system for your Dillon, Hornady, RCBS case feeders and/or Double Alpha Mr.Bulletfeeders.
Fully adjustable to see perfectly how many cases/bullets are left and will not leave you stranded during your reloading session.
Installation is simple, all you do it drill one 1/4" hole thru the case feeder bowl or bullet feeder collator side wall.