The Bosch separating discs are made of aluminum oxide and were specially developed for use with Inox. They do not contain iron, sulfur or chlorinated fillers. Bosch separating discs meet the strictest safety requirements such as EN 12413., product information, inox-separate discs just 125mm/1mm, can of 10 pieces, optimal for the precise processing of steel, for Bosch angle grinder, grit: 40, processable materials: iron-containing metals, rust-free Steel/Inox