RE: Anybody use thease yet????
IF I were to try an mechanical these would be a top consideration.I stock them in the shopand they really don't require much pressure at all to open the blades and IMO all mechanicals have very weak blades that could easily bend and / or break. I haven't seen a mechanical yet that holds up well enough in a steel drum or ply woodtest with the one exception of the Rocket steel heads.
Theundertakersare sharp and the blades deploy easily so, for a mechanical, I think they would make a good choice.