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  UPDATE:
Bracke Manufacturing now offers free
SMA finger wrenches!
Many people have contacted me over the years searching for the little
"finger wrenches," aka "torque multipliers" and "thumb wrenches," that
many display vendors have handed out for free at trade show booths.
Like a lot of people, I have one of those plastic SMA tools as well
with Agilent's name on it. Other people reportedly have versions with
LeCroy's,
National Instruments',
Noise Com's, and other companies' names on them. My e-mails to at
least three companies have never gotten responses. Another request just
arrived, so I again searched the Internet using terms like "sma thumb
wrench," "sma finger wrench," "sma thumb wheel," "trade show gift wrench,"
"sma plastic wrench," "plastic connector wrench," and
 many
other combinations. I also searched for images on the aforementioned
companies' websites. A cheap plastic "finger wrench" did not turn up
anywhere; however, a nice machined brass version did appear on eBay
from
 Mathews
Engineering -
SMA Quick Connect Thumb Wrench (+ Allen
wrench), and Marki Microwave sells an anodized aluminum one.
They make an
F-type connector thumb wrench as well. I once again request that
anyone who knows of a reliable source of these SMA thumb wrench tools
let me know so that I can pass it along.
   I
also discovered plastic
Wing Dings™
(far left) and a
slotted wrench (near left) which are for 7/16" F-type connectors
that might be useful.
Pulse Research Labs sells a different kind of SMA finger wrench (right).
Posted January 23, 2014
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