Feature
Ring gauges are used for comparative measurement. The same is true for checking, calibrating, or setting gauges or other standards. Ring gauges or separate ring gauge sets are manufactured to metric and English tolerance grades for primary applications, settings, or operations.
Special ring gauges are defined differently from the above mentioned gauges, such as special grooves, progressive diameters, special thicknesses, etc. in various occasions. The price and quality of Each type of ring gauge is also different.

Material

• iron
• Chromium inside, all stainless carbide.
• Ceramic

Durability level
Class X, XX, Y and Z.