M18x1.5 No Go Single Ring Thread Gage
DIVEAVENUE
In stock
For checking the threads on M25x200 diving cylinders. Simple smooth "DO NOT ENTER" stamp - see "ENTER" stamp
Recommendation: Checking the threads on diving cylinders requires TIV (Technicien en Inspection Visuelle) training, provided by the FFESSM. See www.ffessm.com