TECHNICAL DATA: Max. RCF:2850*g Max. Speed: 4500r/min Speed accuracy:±30r/min Angle rotor:5ml/7mlx18, 5ml/7mlx24, 10mlx18, ... , high precision. 3. DC brushless motor, carbon powder pollution. 4. Low noise. 5. A variety of rotors, a variety of pipe ... support, user-selected. 6. With electronic door locks, over speed and imbalance protection, safe and reliable. With automatic functions. 7 ...