Master Plugs & Disks
Sizes
All of our master plug gages are available in inch and metric sizes. Master plugs can be as big as 16.25" diameter (412.75mm) and master ring gages as big as 12" (304.4mm).
Usage
These gages are used to verify the continued accuracy of your precision measuring tools and to set the sizes on snap gages, intra micrometers, dial bore gages, etc.