Granite V-block is suitable for precision inspection, precision measurement, precision scribing, and positioning in machining and parts manufacturing industries. It is an ideal tool for testing cylinders.
The material of granite V-block is high-quality Jinan black granite stone. Due to the high precision, long duration, good stability, and corrosion resistance, they have been more and more used in product inspection of modern industry and scientific areas as mechanical space and scientific researches.
The precision of our products is in line with the standards of advanced countries.
Grade"0", grade"00" and grade"000" are valid.