Diamond tools 1.For optical glass, stone, jewel, ceramic processing 2.High grinding efficiency 3.long life Diamond toolsApplication: Used for surface grinding ... optical glass, jewel, stones, ceramic. Deep grinding and molding grinding of hard carbide products and some metals.Characterisctics:For optical glass, stone, jewel ... #~600#Electroplated grinding dot0.15~5036#~800# High quality diamond tools