One choice is the circular case sold under the name Rogers
Drill Bit Set and available through Micro-Mark
and others. These cost about $33 each, which includes
the 20 drill bits. I started using one of these several decades
ago (probably marketed back then by X-Acto) since it was the
only collection of 61-80 drill bits available then. But one annoy-
ance with this case was that, with my large fingers, I could eas-
ily grab more than one drill bit at a time when trying to remove
a single drill bit. Once a drill bit was accidently broken (not a
infrequent occurrence, especially with those in the range of
77-80), it was easy to pick up a drill bit next to an open hole
and then set it back down in the wrong hole after using it.
2: This is the Secure Grip Sliding pin vise with a small drill bit
in place. The collar is slid toward the top of the tool to close
the collet which is part of the body of the tool. When using
very small drill bits, this collar can be slid part of the way up
to only partially close the collet, making it easy to center the
drill bit.
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