Tobrin screwdriver, but not 'perfect'

[DanB]

Anyone encountered these before?  The 1st pres. of Tobrin was the patent holder to the perfect handle screwdrivers. My guess is these came later (1950s?)

[papadan]

I remember having screwdrivers like those. I liked them because of the through bit, allowed me to hit them without much damage. Never heard of a holder for perfect handle drivers, would not have been needed.