These AIRTEC diamond blocks, or diamond skates, are used in all granulometries for grinding and polishing marble, granite and concrete floors.
| REF.: | AIR |
| Golden D16: | High roughing |
| Black Ref. D20: | Roughing of hard concrete |
| Yellow D20: | Roughing of soft concrete |
| Grey D45: | Semi-roughed |
| Blue D60: | Semi tuned |
| Orange D100: | Refining, polishing preparation |
