Komet Q Finishers for efficient finishing of composites and optimal results. Short egg-shaped. Tungsten carbide, yellow and blue ring, for palatal and occlusal polishing. Working part 3.5mm. Full length 19mm. Max speed 300000rpm. Komet Q Finishers for efficient machining of composites and optimal results. The H134Q, H135Q and H50AQ instruments have a smooth, non-cutting tip that ensures gentle finishing without damaging the gingiva.