MOUNTED FLAP WHEELS GRIT 40 60 80 100 120 150 180 240 320 400 DIAMETER MM. CORE SIZE 3 MM. 10 X 10 X 3 25 X 10 X 3 20 X 10 X 3 25 X 10 X 3 CORE SIZE 6 MM. 25 X 10 X 6 25 X 25 X 6 25 X 30 X 6 30 X 10 X 6 30 X 25 X 3 30 X 30 X 6 38 X 10 X 6 38 X 25 X 6 38 X 30 X 6 40 X 10 X 6 40 X 25 X 6 40 X 30 X 6 50 X 10 X 6 50 X 25 X 6 50 X 30 X 6 63 X 10 X 6 63 X 25 X 6 63 X 30 X 6 76 X 25 X 6 76 X 30 X 6