I'm looking for a good quality air impact wrench. Got a big Rol-Air two stage air compressor I use for sandblasting so I've got plenty of air. I'm not a professional wrench turner but want a good quality air impact wrench for general automotive work that will last. Not interested in cheap imports. I'm not opposed to buying a quality used one but not sure what to look for. Does anyone have a specific recommendation on a brand & model? Good used ones to look for or buy new?