Features: 1.Low noise,torque head 2.Stainless body,durable,maintain stability3.Triple water spray, LED handpiece integrate E-generator 4.Unique electric generator, just a little air can generate sufficient power5.135°C Autoclavable Technical : Chuck Type: Push Button Working pressure: 0.25 Mpa to 0.3 MpaSpeed: 280,000-350,000R.P.MSpray: Triple water Spray Bur size:Φ1.595-Φ1.600mm Noise: ≤ 60 dBHole: 2 Holes / 4 HolesBEARING: Ceramic bearingPacking ListHandpiece *1Wrench *1 ———————————————————— Pay Attention: this item is in full kit, cannot be choose types. Types: 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 Little tips : TF/Taper Flat End TR /Taper Round End TC/ Taper Conical End FO/Flame Ogival End SF /Straight Flat End BR/ball Round Packing list: 20boxes: 100pcs dental diamond burs