- Graduations: 0.001 in
- Material: Carbide Tip
- Resolution: 0.001 in
- Series: 139
- Type: Extension Pipe Imperial
- Measuring Range: 4 to 5 in
- Accuracy: +/-0.00022 in
- Item Features
- Wide range of ID measurements by combining extension pipes and anvils with the micrometer head
- Supplied in fitted plastic case