Tap wrench guide

[Toolmaker51]

It all makes sense now, though never had guessed at model railroading angle
Already big fan of power tapping, power insertion of Heli-Coils, and power running of fasteners.
The electric motor driven tapping head is unique; not dependent on machine speed range, of course reversible rotation is function tying it together.
Is it capable of 3/8-16 in steel?