1Secure And Reliable: This electric rotary tool has a built in security guard circuit board and an intelligent overload guard chip. When the working resistance is too large, it will automatically cut off the power supply to prevent damage to the engraving pen, which is very secure to use. 2Stepless Speed Adjustment: This cordless rotary tool kit has stepless speed adjustment, which can be adjusted within the range of 016000r/min, and can be turned forward and backward according to the demand, which is suitable for different materials. 3High Performance Motor: This mini engraving tool is powered by a high performance motor that provides better control and maneuverability and polishes very efficiently. The lightweight frame and ergonomic grip provide you with accurate fingertip control. 4Compact And Lightweight: This cordless rotary grinding tool is small in size and light in weight, very convenient to carry and use, and the noise is very low when it works, so you don't have to worry about affecting your family's rest. 5Wide Application: This battery powered rotary tool has a wide range of applications and is suitable for performing a variety of home projects or manual work such as grinding, cutting, lapping, engraving, polishing, drilling and more. 1 xCordlessRotaryTool 2 x Wrenches 1 x Chuck Shaft 1 x Rubber Wheel 1 x Tapping Screws 1 x Circular Saw Blade 2 x Diamond Grinding Needles 2 x Wool Polishing Wheels 3 x Sandpaper Rings 3 x Twist Drill Bits (0.5, 1.0, 1.5mm) 5 x Grinding Wheel Bits 1 x Storage Box 1 x Manual