Quick insertion and extraction of the tool Increased radial blocking strenght No tools magnetization Long lasting tool and great performances Excellent surface finish of worked material Great flexional and radial rigidity Reduced size of the spindle and compact outline (profile) Hard metal and quick steel with shank tolerance h6 Long life spindle and firmness shape toolholders Concentricity values in the spindle-tool coupling lower than 3 micron All toolholders have a subtle balancing in G 2,5 from stock