The most common instruments used to check angles are the:
- bevel or bevel gauge
- Universal bevel gauge
- bevel protractor
1. Bevel gauges
The bevel gauges cannot measure angles directly. They are, therefore, indirect angular measuring instruments. The angles can be set and measured with bevel protractors.
2. Universal bevel gauges
The universal bevel gauge has an additional blade. This helps in measuring angles which cannot be checked with an ordinary bevel gauge.