High Speed Rotary Brushless Micromotor, 50K RPM, Foredom K.1040K. 1040 High Speed Rotary Brushless Micromotor Slow, Steady and Smooth! High Torque Start. Brushless motor design eliminating the need to replace carbon brushes Two speed settings: Setting 1 Full speed range up to 50,000 RPM. Setting 2 500 RPM 5,000 RPM. Maximum Torque (11. 3 oz in 8 N Cm) or 160 Watts Output Power Sealed housing eliminates dust, noise, and vibration 115 or 230 Volt Two Year Warranty UKCA and CE marked, double insulated 8. 6 lbs. kit