
12-408-1 Internal Dial Caliper 3.250" - 4.250"
SPI Internal Dial Caliper-Type Gage
For checking internal bores and recess diameters. This gage offers a total movement of 1" (25mm).
Features include...
- 3.250" - 4.250" Measuring Range
- 0.001" Graduations
- 3.25" Arm Length
- 0.06" Measuring Tips
- Spring loaded opening
- Bezel Rotates for Zero-Setting
- Button for closing arms. Arms automatically open when button is released
- Unit is spring-loaded and makes point contact at constant measuring pressure