ITEM NAME:Aluminium Dental Bur Burs Holder Block Disinfection Box Autoclave 30 Holes NA^i.Function: Disinfection of high-speed bur and low-speed bur. 1pc Disinfection box. Material: Aluminium. Place the sterilization high speed and low speed needles, 30 holes, 20 for high speed needles and 10 for low speed needles.