... disc,diamond polishing disc. 4,6,8,10 inch available. Metal grinding disc,diamond ... #4,6,8,10 inchHigh sharpness,high glossPolishing DiscLUX4,6,8,10 inchQuick lustering, high clearness2. Characteristics: ... Strong grinding force, high gloss,quick lustering, low grinding consumption, lasting polishing effect, high ...