[Shop-talk] What is this?

[John Innis]

Just a guess, but I'm going to say heat sink.  Do the deposits look like
they might be solder?  Sometimes a heat sink is used when soldering to
limit how far the heat will travel.  You can clamp it on the wire and it
absorbs heat, preventing it from melting insulation.  At 2.5 inches this
one might have been intended for plumbing, to control heat flowing along
copper pipes.

On Mon, Nov 5, 2018 at 11:12 PM Steven Trovato <strovato at optonline.net>
wrote:

> Hi.  Found this in a tool box.  Does anyone know what this is?  The
> only thing holding these two pieces together is a V-shaped
> spring.  You can see the end of the spring coming through a small
> hole at the bottom of the picture.  There is an equivalent hole for
> the other end of the spring on the other jaw. There are black
> deposits as well as metal deposits on this, as well as some sort of
> grinder marks, perhaps cleaning this thing up after use.  It looks
> like most of the wear is toward the joined end.  The whole thing is
> about 2.5 inches long.  Any thoughts on what this is?
>
> -Steve T.
>
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