Kenda C.G.I. 3-step polishing system. For universal composites, compomers and glass-ionomers. The C.G.I. polishing system contains specific polishers in 3 grades for contouring, finishing, and polishing. Specifications : - Pressure: 0,3 - 2 N. - Autoclavable: 135 °C, 275 °F.