Up to 3x faster cutting than other premium bonded cut-off wheels Up to 3x more cuts than other premium bonded cut-off wheels Proprietary ceramic abrasive grain self-sharpens during use for consistent performance Reinforced thin kerf design makes quicker cuts and is ideal for use with battery-powered tools Contaminant-free construction – meets INOX requirements and contains 0.1% or less of iron, sulfur, and chlorine