Features: 1. 4:1 Reduction . For For Eva tips • Vertical Reciprocating2. Driven by electric motor/Air motor3.135°C Autoclavable4. Warranty:one year for handle; 6 months for cartridgePerformance specifications : Max. Rotation Speed (Motor) ：40,000min-1Max. Rotation Speed (Handpiece) ：10,000min-1Reciprocating IPR SystemA safe, precise and reliable method to achieve accurate interproximal stripping.More controllable and safer for the dentist and patient than diamond discs.Provides the flexibility that diamond and carbide burs can’t Faster and more comfortable for the patient than manual hand stripping.Double Sided:90 micron - for use as a saw for opening contacts *260 micron - for reduction *240 micron - for contouring *225 micron - for finishing *215 micron - for pre polishing *2Packing List : Handpiece *1 + 10 piece Eva Tips + Wrench *1 Packing Weight : 0.15kgPacking Size : 15*7*3 mm