Vitrified Diamond #400 Extra Hard

This 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, and saturating the pores with water is suggested before use. The manufacturer recommends against using oil, however this has not been tested. 

Dimensions: 200 x 70 x 11mm

Weight: 500g