2holes and 4holes
Feature:
Chuck type:Push button
Applicable Bur: φ1.59~φ1.60mm
Single water spary
Rotate speed without load:350000 r/min
Rotate air pressure:108-245Kap
High-temperature: 135 ℃
Noise level: ≤68 dB
Hole:4 holes/2 holes
Connection:B2/M4 dental chair
Warranty: One Year! Service: Whole Life!