What is this tool used for?

[Andy Griffith]

Those wire brushes are glued into the housing. Is this maybe for cleaning the ends of different sized tubing of some sort?

 

[gezn2]

How big is it?
First thing that pops into my mind is semi-trailer pigtails...

 

[930dreamer]

Who makes it?

 

[Eagle Point]

I've seen brushes similiar to those for cleaning oil galleys on engine blocks

 

[davesnothere]

is it missing some brushes? I see extra holes?

 

[Moose-LandTran]

Trailer wiring socket cleaner.

 

[fatboy99]

Its for cleaning the female terminals on a 7 way trailer plug. It cleans all of them at once.

 

[fatboy99]

Wow Moose we posted the same answer at the same time LOL

 

[Andy Griffith]

How big is it?
First thing that pops into my mind is semi-trailer pigtails...

Trailer wiring socket cleaner.

Its for cleaning the female terminals on a 7 way trailer plug. It cleans all of them at once.

Here it is next to a RV 7 pin for size reference, which it doesn't fit so I assume it must be for OTR/semi trailers as mentioned. How come the one brush is larger and longer, is that the ground?

 

[Jbullfrog]

Truck and ag plugs have round terminals and the top one is bigger.

 

[Moose-LandTran]

Truck and ag plugs have round terminals and the top one is bigger.

Bingo.

 

[Moose-LandTran]

Wow Moose we posted the same answer at the same time LOL

We're freakin' awesome!