Guess what this is a photo of!

[pacanis]

Not a crank, but you're right, it does.

It's an accessory and is hard to picture until you see it attached.

 

[Andy M.]

So this is a part of another item? It does not work alone?

 

[pacanis]

It "works" alone, but it does not perform it's function or designed purpose alone. Kind of like a tire will roll by itself, but belongs on a car.

 

[PrincessFiona60]

It looks to me like the assmebly of a rifle without the stock or barrel.

 

[pacanis]

You're warm...

 

[Andy M.]

Trigger Guard

 

[PrincessFiona60]

A pistol assembly with out grips or barrel.

 

[pacanis]

You're warm.

 

[pacanis]

It's not part of a disassembled gun.

 

[PrincessFiona60]

part of a re-loading kit?

 

[Andy M.]

laser sight

 

[pacanis]

ding, ding, ding, ding...
Andy's got it.
They've really become quite small, not adding much bulk to the gun.
This one is for a "pocket pistol"

 

[Andy M.]

Name this.

 

[PrincessFiona60]

a router?

 

[Andy M.]

No

 

[roadfix]

A spooler?

 

[Andy M.]

No. Do you mean like for thread?

 

[Uncle Bob]

Plumb Bob

 

[Uncle Bob]

Chalk Line

 

[Andy M.]

Neither, UB.