Product Name: Dental 4 Holes Low Speed Handpiece Inner Channel Push Button Contra Angle Model NO.: Dental low speed handpiece Rotating Speed: Low-Speed Handpiece Connection: Without Quick Connector Number of Holes: Four Holes Exhaust Way: Internal Exhaust Head Diameter: Small Head Loading Way: Gland Type Application: Adult, Child Usage Times: Non-Disposable Water Way: Inner Channel Light Way: Without Light Material: Stainless Steel Certification: ISO, CE Condition: New Name: Dental LED Handpiece Bearing: Ceramic Bearing Hole: 4 Hole Speed: 22000r/Min Noise: More or Less 68 dB Pressure: 80-245kpa Bur: 2.35 Head: Standard Head Type: Wrench Type Use: Dental Clinic Dental: Dental Equipment Trademark: Dinuo Transport Package: Plasctic Packing Specification: small Origin: China HS Code: 9018499000 Product Description Dental 4 Holes Low Speed Handpiece Inner Channel Push Button Contra Angle BearingCeramic bearingHole2 holeTypeWrench typeCategory: inner channel low speed handpieceChuck type: push button contra angle straight head air motorSpray: inner channelRotation speed: 20,000-30,000r.p.m.Working air pressure: 0.30-0.345mpaBur applicable: 2.335-2.355mmNoise: ≤70dbConnection: 4 holes (we also have 2 holes, if you need please contact us or leave us a message when you buy)Application: dental clinic and dental hospitalWarranty period: half a yearFeatures:1. Fastening of the instruments with a turning latch2. 135°C Autoclavable3. for any lab or Straight motorsSpecifications:* Low speed Internal Water Spray Low Speed Handpiece (Complete set)* Inner water spray* Push button contra angle, straight head, air motorPacking includes:Push button contra angle 1pcStraight handpiece 1pcAir motor 1pc