The wide range Performance Line SG offers high-performance solutions for every application and material. Performance Line SG products achieve optimum results with excellent economic efficiency. The CC-GRIND®-FLEX is the semi-flexible addition to the CC-GRIND® family. It was specially developed for work on weld seams. Butt welds can be smoothed completely flat. This gets rid of any dents and bumps that are visible, particularly after painting or varnishing. Semi-flexible grinding disc for steel. High grinding performance and maximum service life.