3-Speed Settings mini rotary tool has 3-speed adjustments it is easier to adjust to the appropriate speed to meet the power requirements of different applications.Versatile AccessoriesMini electric mill, for cutting, engraving, grinding, grinding, polishing, removal and drilling. A grinder carving kit is required for making your own carving and grinding. Performance accessory is suitable for different crafting work on wood, glass, metals, plastics and so on.COMPACT LIGHTWEIGHTDurability and reliability - small size, light weight, easy to carry, comfortable grip, provide better control, easy to use.EASY OPERATION & COMPACT- Easy operation. Ultra compact, ultimate precision, comfortable control operation, lightweight, small but powerful. No wrench needed, it is easy to change bits and collets tool free with rotary tool. Easy to maintain accurate concentricity while using the chuck to fix accessories.CONVENIENCE & LIGHTWEIGHT- Cordless design makes operation simple and easier to carry in your pocket. Mini size rotary tool body just like holding a pen while in use, lightweight and comfortable, ultimate control, reduce user fatigue for long hours of operation. Not recommended for heavy duty projects.