The broad range Performance Line SG offers a high-performance tool solution for every application and every material. Performance Line SG tools achieve optimum results with maximum economic efficiency. The CC-GRIND-FLEX is the semi-flexible addition to the CC-GRIND-SOLID. It was developed especially for work on weld seams. Butt welds can be completely smoothed. This means bumps and dents especially ones that are visible after coating or painting are a thing of the past. Semi-flexible grinding disc for steel with high grinding performance and maximum tool life.