- Material: Carbide Tip
- Type: Metric Extension Pipe
- Series: 139
- Specifications: 100 to 900 mm Range 0.01 mm Graduations, 3+n+L/50 in microns Accuracy
- Item Features
- Wide range of ID measurements by combining extension rods (pipes) and anvils with the micrometer head
- Carbide tipped measuring faces are available
- Series 139 supplied in fitted wooden case except 500mm/20in come in plastic case