Borden 2hole or Midwest 4 hole connection Single spray Bur dia.1.59-1.6mm #Speed 300,000-370,000rpm Newly hygiene surface coating Repeated Autoclavable at up to 135°C Operate at minimum air pressure 2.5kgf/cm² Large torque,Standard or Mini head optional 1.Precise Monoblock Axes , ceramic bearing 2.135 degree autoclavable , sterilization can be done with high temperature repeadely (NO disinfectant or ultrasonic cleaner) 3.With quick coupling 4.Health machine head system. 5.Push button Needle change type. 6.Standard head