text.skipToContent text.skipToNavigation
EN
Choose your language

31020

Inspection blocks with column

Description

Material
Black granite (primary stone).
Version
Block precision grade 0
Note
Primary stone has major benefits over conventional granite:
- 3 times more wear resistance.
- 20% greater density.
- 3 times less heat expansion.

Suitable dial gauge holders see 31140 and 31141.