- We produce according to internal standards.
- Comparison to Jis specification, this product is designed to be smaller (1 ring 100mm)
- Accuracy of whole range of air bubble tubes is ± 2.0 lines or down
- Flatness of bottom, top and bottom side is 0.01mm
- Perpendicularity between the bottom surface and the two sides is <0.01mm
- ※ The accuracy of the V-side is not able to be guaranteed.
