Specification: High speed handpiece: Description: Torque Push button type, high speed handpiece, three-way water spray Needle Change Type:Push button Air Pressure:180~250 KPa (1.8~2.5 kgf/cm2) Water Pressure:198Kpa (2 kg) Rotation Speed:370,000-420,000 rpm Bur Applicable:1.59mm~1.6mm21mm~23mm (diameterlength) Noise:70dB Low speed kits Features: E-type connector Wrench type Precise technology, Steady, no vibration while revolving, offering a steady operation. Suitable for any E-type handpiece accords with ISO standard 135C Autoclavable, suitable for both steam and chemical autoclave Contra angle handpiece: Low Speed 22,000-27,000 rpm. The shank of the instrument mounted therein is 2.35 mm Fastening of the instruments with a turning latch Autoclavable 135C For any lab or E-type motors Straight Nosecone Working pressure: 0.3MPa ; 0.25MPa (Measure meter is installed at the end of air motor to measure the air pressure). Revolution: about 22000-27000r/min (adjustable between clockwise or anticlockwise) Noise: 68dB Air consumption: about 56L/min Ratio: 1:1 Max speed of contra angle: 25000rpm/min. Air Mortor: - Supply air pressure: 245-392KPa (2.5-4kgf/CM2) - 1:1 Direct Drive - 2/4 Hole - Max speed 20,000 min-1 Packing List: 2 X High Speed Handpiece 1 X Low Speed Handpiece kit ( Contra Angle + Air Motor + Straight Nose Cone)