Description: Contra Angle:1. Fits ISO E type handpieces2. 1.4 mm stroke3. Autoclavable4. Optimal torque 5. For Eva Tips6. Vertical Reciprocating 7. Reciprocating IPR System Features1. A safe, precise and reliable method to achieve accurate interproximal stripping. 2. More controllable and safer for the dentist and patient than diamond discs. 3. Provides the flexibility that diamond and carbide burs can't Faster and more comfortable for the patient than manual hand stripping.Double Sided90 micron - for use as a saw for opening contacts 60 micron - for reduction 40 micron - for contouring 25 micron - for finishing 15 micron - for pre polishing