The disc's thin edge allows for smooth and easy cuts. In addition, the disc contains no iron, chlorine or sulfur. The Bosch X-LOCK Pro Metal Cutting Disc cuts through metal with force and maximum safety. High-quality disc made of aluminum oxide with advanced phenolic resin that performs well even in the toughest jobs. Replacing cutting discs is quick and convenient thanks to the keyless X-LOCK system. Bosch Cutting Discs meet the highest safety requirements, such as EN 12413, and also work on angle grinders. Standard.