Diamond polisher with an RA-shank for smoothing and prepolishing of composites and compomers. High abrasion of the prepolisher. Recommended speed range: 3’000 – 8’000 r.p.m. Exert minimal, constant pressure. Use only wet. Recommended for composite materials with higher final hardness, e.g. BRILLIANT COMPONEER, SYNERGY D6, BRILLIANT EverGlow, BRILLIANT Crios. Cup, head diameter 6mm, head length 7.5mm, color purple.