Features: 1¡¢The professional dental handpiece is used to clean calculus and grind decayed teeth. 2¡¢Greatly improve the efficiency of oral clinical treatment and reduce the pain of patients. 3¡¢Portable and light weight, easy for cleaning and easy for controlling. 4¡¢Easy for sterilizing handpiece with high temperature after each time treatment. 5¡¢Adopting high quality material, which is durable and for long time use. Condition: 100% Brand New Item Type: Dental Handpiece Material: Stainless Steel Holes: 4 Holes Working Air Pressure: 220kpa (2.1-2.35gf/C©O) Air Cooling Flows: ¡Ý 1.5L /Min (0.2mpa) Clamping Forces: ¡Ý 22N Speed: 300000-400000 Rpm Noise: £¼ 80db Needle: ¦µ 1.598 ~ 1.600mm Standard Needle Suitable Length: Approx. 14-25mm/0.5-1in Sterilization: Can Be 135¡æ High-Pressure High-Pressure Sterilization Spray Hole: Single Hole Cooling Joint Form: 2/4 Hole Joint Weight: Approx.76g/2.7oz Application: for holding high speed dental needle for drilling and grinding teeth Package Included: 1 x&nbspDental Handpiece1 x Needle1 x Wrench