Features
For measuring tasks, layout work, for touching up and lapping precision parts Made of choice fine-grain black granite (Diabas) High density structure thus extremely homogeneous Hardness 6-7 on the Mohs’ hardness scale Surface plate is lapped and has a satin matt finish to prevent glare 100 % corrosion-proof Non-magnetic and nonconductive Measuring instruments and test equipment are easy to slide over surface