Specially formulated for nuclear and food processing plants where the need for contaminant-free stock removal on stainless steel is a concern.Free of iron, chlorine and sulphur compounds (Fe + Cl + S < 0.1%).Type 27., Will not contaminate stainless steel.Special bonding formula allows for very fast stock removal on many types of metals.Designed to provide very long life for fewer wheel changes and less downtime.All sizes reinforced with the highest quality fiberglass for maximum safety and performance.Our unique Super-Lock??????????Hub combines both a mechanical locking system and chemical bond providing one of the safest, vibration-free designs in the industry.