- The throat depth ranges from 1/2" (12.7mm) down to 5/16" (8mm)
- Models are available with flat or rounded contacts as listed
- The diameter of both the flat or round contacts are 1/4" (6.3mm)
- The gage has a small count hand for recording each revolution of the large hand
- The case is chrome plated, and the dial is covered with an unbreakable crystal
- Furnished in attractive, protective case
