FEPA P grit,ceramic coating aluminium oixde grain for producing high quality sanding belt,sanding paper,sand cloth,jumbo roll Description:AHMCF is ... Mohs scaleMagnetic Material 0.0076% Grit Size Available (F):24, 30, 36, 40, 46, 54, 60, 70, 80, 90, 100, 120 ...