5 Variable Speeds and Powerful Motor 7.2V powerful rotary tool has 5 variable speeds, the rotation speed can be controlled from 10000 to 30000 rpm (10000/15000/20000/25000/30000 rpm) with the variable speed dial for maximum precision. This makes it easier to adjust to the right speed to meet the rotation speed needs in different DIY jobs. Even people without any experience can easily get started and control the speed easily 42Pcs Accessories Multi-purpose Rotary Tool Set Rotary Tool Kit comes with 42 accessories, such as sanding bands ,diamond bits, polishing wheels, grinding stones, collets, etc. These multi-function accessories can be used for various home projects and manual tasks, such as drilling, polishing, carving wood, cleaning, grinding, cutting, sanding dog nails, etc. Please use 1st or 2nd gear for sanding dog nails Type-C Fast ChargingThe cordless rotary tool has a built-in 7.2V rechargeable battery with a capacity of 2200mAh. It can be used multiple times on a full charge and can work continuously for more than 200 minutes. The convenient USB-C charging interface ensures that you can easily charge it at any time. The cordless design meets the needs of outdoor work and says goodbye to tangled wires and sockets Portable and Lightweightrotary tool is powerful but small, only 21 cm long 260 grams, use it like holding a pen for ultimate control and precision and comfort, the mini rotary tool is a versatile tool, more suitable for DIY work crafts and other small projects, do not use the mini grinder tool for large or heavy projects