MA7 50mm diameter unitised wheels are great for deburring & 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
50mm diameter 12mm wide wheels with a 6mm spindle will fit on drills & air tools.
Note max operating speed 22,500 rpm and a recommended operating speed of 11,000rpm