The MA7 is designed for removing tig welds in corners to leave a finish which will easily blend to a ripple free 240 / 320 grit satin finish with the MA5 discs or pre-polish using the SA5 unitised discs
3″ / 75mm diameter and only 3mm wide the Cibo MA 7 unitised discs are great for use on air tools and die grinders for channel deburring and light weld removal in tight corners.