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> Very nice federal snap gage 4-5" 300P-35 piston ring
Very nice federal snap gage 4-5" 300P-35 piston ring
As shown a very nice Federal snap gage model 300P-35, range of 4-5" scale on dial is.0001.
There are 2 holes drilled in the frame as shown, that were used to mount the gage to a fixture.
This just came from a major automotive piston manufacturer that is downsizing, and it was used to gage ring grooves.