NO.1; 10 holes of highspeed burs. Not autoclavable.
NO.2; 30 holes for lab burs. + 20 holes for low-speed burs. Can be used for high-speed burs. + 10 holes for high speed burs. Not autoclavable.
NO.3; 30 holes for low speed and lab burs + cleaning brush. Autoclavable.
NO.4; 40 holes; all for files + endo ruler. . Autoclavable.
NO.5; 72 holes; 36 holes for highspeed burs + 36 holes for files. . Autoclavable.
NO.6; 60 holes; 30 holes for highspeed burs + 30 holes for files + 4 places for gutta percha or paper points. Autoclavable.
NO.7; 72 holes; all for highspeed burs. Autoclavable.
NO.8; 24 pcs for highspeed burs.Autoclavable.