4 hole Feature:

1, standard head high speed handpiece 2, Rotational speed: 220000-350000round/min. 3, Working Air pressure: 0.18-0.30Mpa 4, Water Pressure: 0.198Mpa 5, Bur Applicable: 1.59-1.60mm 6, Cartridge: Unenclosed, push button 7, Handle Material: Aluminum alloys 8, Single water spray 9, Net weight: 45g 10, Noise level: ≤68 dB 11, Sterilization by autoclave at (135) °C 12, Accessories: Box/cap wrench/needle

Package Included:

-handpiece: 5 -Spanner：5 - English manual: 5