TSUBACO square master (made of stone)

[Features]
●Natural stone is used and there is almost no aging.
●Since there is no rust, maintenance is easy.
●The straightness, squareness, and flatness of the four surfaces are finished with high accuracy.

[Use]
● Used to check the reference plane when assembling devices and parts. (perpendicularity, etc.)
●For precision confirmation of precision machinery.

【specification】
- Length (mm): 500
- Perpendicularity (μm): 3.5
- Width (mm): 500
- Parallelism (μm): 3.5
- Thickness (mm): 70

[Specification 2]
- Straightness: 4

[Material/Finish]
●Granite

[Set contents/accessories]
-

【Note】
●Because it is made of stone, it may break if a strong impact is applied.