4mN, 90 degree 5 Micron Stylus Tip, Replacement Small Hole Detector for SJ-410 and SJ-310 Surface Roughness Tester Standard, Retractable and Transverse Drive Unit Models, 4.5mm Diameter Minimum Hole Size
Features
- The detector is ideal for small holes
- Skidded measuring
- Diamond stylus tip for precision detection.