Last March I ordered one of these units for 22 Hornet and 6.5x55. It is basically a caliber-specific die body into which a rotating cutter is inserted. It is supposed to trim, chamfer and deburr in one move. I got the cutter almost immediately, but the die bodies were on back order. I eventually forgot about them. Much to my surprise, they both showed up in the post yesterday. Looks like an interesting unit. It will automatically trim to .006" below spec but there are adjustments that will allow you to reduce the length by another .010" by adjusting a stop collar that moves the cutter in .001" per click for the 10 click range.
The die bodies are $8.50 US, each, and the universal cutter was $24 IIRC. The cutter works from 17 cal up. I'll give a try tonight and let you now how it works.~Muir