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