You are bidding on a Hemco M10 X 1.5 6H Go/No Go double end Thread Gage. 

hi Pitch diameter .3680"/9.206MM

Go Pitch diameter .3617" /9.026MM

I will fully guarantee this item.

We have lots of quality inspection tools available - see my other auctions.

Shipping in the Continental US is free- I have very competitive rates for our always welcomed International bidders