Photo A
At over 2,0 meters in diameter and 140mm in width this is quite probably the worlds largest Vitrified CBN Wheel and one of the great recentĀ  success stories from Molemab.

Video of special vitrified grinding wheel diam. 2100 mm:

Photo B
A vitrified CBN application showing an example of possibilities for developing special lubricant holes to facilitate coolant delivery on sensitive materials.