Spring-loaded plunger expands within the bore (or groove), allowing determination of the internal diameter with a knurled clamp.
| Manufacturer Part Number | 7487031 |
| Minimum Measurement (Inch) | 3/4" |
| Maximum Measurement (Inch) | 1-1/4" |
| Minimum Measurement (mm) | 19mm |
| Maximum Measurement (mm) | 32mm |
| Overall Length (Decimal Inch) | 4.4" |
| Overall Length (mm) | 112mm |
| Number of Telescoping Arms | 2 |
| Product Type | Telescoping Gage |