Only three of iRace NiTi rotary tools are needed to address majority of cases. Included are straight, slightly curved or wide canals which also possess exclusive properties. Permits preparation up to a diameter of ISO 30/.04. Saves a lot of time because of convenient usage. Choose memory no. 1 for the iRace sequence with Rooter motor. Follow this procedure after scouting as protocol. Induce R1 rotating and reach up to the WL. In case R1 cannot reach the WL, do not force instead proceed to step 1 of the iRace Plus procedure. Keep working with R2 up to the WL.