MarStand 107 G | Surface Plate Made from Granite

FEATURES
• Made of choice fine grain black granite (Diabase)
• High density structure is 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 non-conductive
• Measuring instruments and test equipment are easy to slide over surface