High & Low Speed Handpiece Kit 2/4Hole. Standard Push button type, high speed handpiece, Single-way water spray. 180250 KPa (1.82.5 kgf/cm2). 370,000-420,000 rpm. 1.59mm? 1.6mm×21mm23mm (diameter×length). Low speed kits Features. Precise technology, Steady, no vibration while revolving, offering a steady operation. Suitable for any E-type handpiece accords with ISO standard. 135°C Autoclavable, suitable for both steam and chemical autoclave. 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. For any lab or E-type motors. Working pressure: 0.3MPa. 0.25MPa (Measure meter is installed at the end of air motor to measure the air pressure). Air consumption: about 56L/min. Ratio: 1:1. Max speed of contra angle: 25000rpm/min. Supply air pressure: 245-392KPa (2.5-4kgf/CM2). 1:1 Direct Drive. Max speed 20,000 min-1. High speed handpiece push button 4 Holes : 2 each. E-type air motor 4-Holes: 1 each. Straight nose cone: 1 each. Contra Angle handpiece: 1 each. Water spray nozzle: 1 each. Oil spray nozzle: 1 each. Low Speed Handpiece Kit. Dental Low Speed Handpiece Kit Contra Angle Straight Air Motor. Reducing size and weight. Updated to an integrated design in response to modern demands. Shorter and lighter than precious models. Its shorter, lighter air motor gives optimal balance, reducing stress and fatigue during treatments and enabling you to focus on the procedure at hand. More comfortable to use. Air pressure:0.3MPA. Bur applicable:ø2.35mm. Rotation speed:20,000rpm. 4 /2Hole Air motor.