I got this set a while ago, probably in the early 1980's. It's a Sony combo
screwdriver and bit. The photos are he

http://webpages.charter.net/mrfixite...crewdriver.jpg

http://webpages.charter.net/mrfixite...s/Sony-bit.jpg

The question is, how does the bit lock into the driver? There is nothing to
twist, turn, or tighten. For years, I just used masking tape to hold it
together. Then today, I decided to search the net for answers. I found that
MCM still sells this. There is a picture he

http://www.mcmelectronics.com/produc...2-01-/32-18290

It's obvious that my driver has an extra piece in the handle. So what's the
story here?

Thanks for your reply.
--

David Farber
Los Osos, CA