Highlights5 Variable Speeds186Pcs Complete SetDetails*Features* - *5 Variable Speeds* - The corded rotary tool features 5-speed adjustments(10000RPM/14500RPM/19000RPM/23500RPM/28000RPM) for easier speed control to meet precise power demands of different tasks,great for high-speed drilling or low-speed precision work. Perfect for both beginners and professionals. Besides,special indicator allows you to inform the speed you use in real time.*High Power & Easy Operation* - Simply press the lock but