772-ISO | SAM Thread Pitch Gauge, Metric thread type | RS
Laser 7691 2 Piece Thread Pitch Gauge
Grip Thread Pitch Gauge MM & SAE Markings - Measures Counts from .25 to 5.5mm and 4 to 42 SAE - 60 Degree Thread Profiles and Locking Devices - Garage, Workshop, Home - Hand Tool Sets - Amazon.com