Very uniform, high density grain structure is extremely durable and self sharpening for long life and cooler cutCombines fast stock removal with long life for tough cutting applicationsIdeal for foundry applications (gates, risers)Unique, thin Type 27/Type 42 shape can be used on all angle grinders in accordance with ANSI B7.1Special bond formulation offers the fastest cutting, longest lasting thin wheelsExternally reinforced with fiberglass layers to provide ultimate safety in a thin wheel