High speed handpiece Features. High speed handpiece. 2-Hole /4- Hole standard push button handpiece. Single-way water spray. It has unique appearance design and fluent outline. Smooth as silk, it has excellent texture. With people-friendly design, easy for operation. With best quality cartridge, easier for cleaning. With high-speed turbine rotation, it has better performances. Chucking power of chucking needle is 20N-45N. It is noise-free and stable. Applicable Bur: 1.6mm and should be conformed to ISO standard. Idling speed of handpiece should be no less than 370,000 rotations under working air pressure of 25- 30 pressure atmosphere. Special for operations such as clamping high-speed dentistry machine needle to drill and grind teeth in department of stomatology, it is more professional. It is only for people who have dentistry medical qualification. 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. 2 hole /4 hole. 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. CAP Spanner: 1 each. BR-31 BR-41 BR-45 BR-46 TR-12 TR-13 TR-14 TR-15 TR-19 TR-13C. TR-13F TR-62C SF-41 FO-11 FO-25 FO-32 FO-30F TC-11 TF-11 TF-13C. TF/Taper Flat End TR /Taper Round End. TC/ Taper Conical End FO/Flame Ogival End. SF /Straight Flat End BR/ball Round. 20boxes: 100pcs dental diamond burs. Diamond Bur is whole combination for sale, Customer could not choose model.