Vitrified Diamond #400 Extra Hard 12HKD/g as a result of

12HKD/g as a result of the aesthetics

This particular stone is middle of the road in terms of hardness and friability

We receive the stones from the wholesaler with rough chisel marks on both sides

#120 Polycrystalline diamonds electroplated onto a 1mm aluminium sheet

This example is hard and fast cutting

Vitrified Diamond #400 Extra Hard 12HKD/g as a result ofThis 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,