DURATECH 12V Cordless Rotary Tool Kit Rechargeable 7 Speeds W/118PCS Accessories

Wide Speed Range: The speed range of this rotary tool is 5000RPM to 35000RPM which has 7 adjustable speeds(5000RPM, 10000RPM, 15000RPM, 20000RPM, 25000RPM, 30000RPM, 35000RPM). It can be used for both elaborate processing at low rotary speed and fast processing at high rotary speed.