With up to 50% Longer Life, use fewer wheels in extreme applications with a Pressure Pact™ design that grinds more metal vs Norton for select SKUs*. The high tech grains are packed tightly under intense heat and pressure. Aggressively grind a wide range of metals in demanding applications with a self-sharpening, crystalline grain structure. Grind fast and smooth with high density grain concentration while experiencing low vibration and minimal jumping.