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Weight: 1165g
The thickness of the abrasive layer is at least 5mm
The diamond layer is 10mm thick after firing
This particular one is harder than average
This example is whiter than usual
Vitrified Diamond #400 Extra Hard Weight: 1165gThis is a vitrified diamond stone mounted to a 6mm glass plate. The thickness of the abrasive layer is at least 5mm. There is 10% extra binder by weight compared to the usual version with corresponding increase in resistance to wear. It is recommended for users who are sharpening steels with a high volume of MC carbide. However, it may also be useful for users sharpening low alloys steels due to high cutting speed and low wear This is a porous stone,