The Ronix 3420 is a cordless rotary kit with a high-output DC motor that offers a no-load speed of 5000 to 18000 revolutions per minute. This gadget is well suited for a wide range of tasks because of its excellent performance and efficiency. If the operator needs a certain speed, the variable speed setting allows the user to do so since it covers a wide range of idle speeds. The Ronix 3420 features a locking pin system that allows the user to replace accessories more easily and quickly, as well as a high-security mechanism. The bit holder of this rotary kit ranges from 1.6 mm to 3.2 mm, and many accessories can be added to this rotary kit. The charge level is visible through three lights, allowing the user to know how much power is left in the battery of their device. The last but not least feature of this rotary kit is the LED light, which illuminates the work area and allows the user to operate in low light conditions.