Optimal
Concrete hard, Concrete medium, Concrete soft, Concrete, Brick, Roof tile, Cured concrete hard, Cured concrete medium, Cured concrete soft
Good
Reinforced concrete, Granite, Natural stone
Acceptable
Marble, Block, Abrasive, Ceramic tiles
Fits:
MS 360
FS 400 LV,
K 3000 Cut-n-Break
K 3000 Vac
K 760
K 760 with OilGuard
K 40
K 2500
K 3000 Wet