My favorite tool actually isn't a tool but Coral Frag Rocks by Oceans Wonders, I prefer them too frag plugs because they look real and have a larger surface area.
Surgeons reciprocating bone saw, I got one used from my doctors office, and then replaced the blade.. there is no possible way to get a quicker, cleaner cut than this. Between that and a stainless 10 blade scalpal, I have everything I need.