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About pre-sale and after-sale: Dear buyer, before you place an order, or when you do not receive the product, or after receiving the product has any questions, please contact the store customer service directly, we will help you solve any problem in time! Dental High Speed LED Handpiece Product Description Head Standard Head Super Torque Head Head Size 10.6*13.5 mm 12.5*14.5 mm Torque 19 N.m 21 N.m Rotation Speed 350,000 RPM Max 280,000 RPM Max Bearing Ceramic bearing Bur Size Φ1.595-Φ1.600mm Working pressure 0.25 -0.3 Mpa Noise Level ≤ 65 dB Hole 2 Holes / 4 Holes Light LED Water Spray Three Water Spray Chuck Type Push Button Features: 1.High fitness, with B2/M4 interface for your choice, the product is suitable for all brands of dental chairs. 2.Wide cooling range, Triple water spray ,Wide cooling, safer operation. 3.The use of NSK bearings, long life, stable speed, low noise, excellent product quality. 4.High safety factor, the burs holding of the spindle is more than 2KG, and the treatmentprocess is safer without dropping the bur during the operation. 5.Under the normal working condition of 0.25mpa ~ 0.30mpa, the rotational speed is 280,000 ~ 400,000 RPM, neither too low rotational speed is not enough torque, nor too high rotational speed will cause excessive sound and reduce the bearing life. 6.The water pipe and air pipe are separated independently, and the water output is more uniform. 7.Self-Genarator, without external power supply, can also be treated in a lamplight environment. 8.135°C Autoclavable.All stainless steel materials can be sterilized, pressure resistant and fall resistant. ----------------------------- Packing List(2H-S、2H-T、4H-S、4H-S) Handpiece *1 Wrench *1 Silver needle*1 Operation manual *1 ----------------------------- Packing List(2H-S-SET、2H-T-SET、4H-S-SET、4H-S-SET) Handpiece *1 Rotor(Cartridge) *1 Wrench *1 Silver needle*1 Operation manual *1 ----------------------------- Packing List(S-Rotor Only、T-Rotor Only) Rotor(Cartridge) *1 --------------Product Showcase---------------