Precision Stone・L-shaped Block
It uses natural granite from Jinan, which has superior properties compared to commonly used metals.
This is a high-precision right angle verification tool of JIS0 grade/JIS00 grade. 1. Density 2.88–3.07 g/cm³, Shore hardness 79.8–94.0 2. As it is made of stone, it excels in vibration damping, chemical resistance, and wear resistance. 3. High stability due to millions of years of natural aging, with minimal changes over time. 4. Easy to maintain flatness, and low tendency to generate static electricity.
- 企業：ND精工
- 価格：10,000 yen-100,000 yen
