The Milwaukee 2939-20 Cordless 1/4" Braking Die Grinder is a powerful tool designed for precision grinding and cutting. Featuring an innovative slide switch for easy operation, this die grinder operates on an 18V battery, ensuring maximum mobility without the hassle of cords. The kit includes a durable 3.0 AH battery and charger, providing you with everything you need to keep your projects going. Ideal for both professionals and DIY enthusiasts, this grinder offers versatility and performance for a wide range of applications, making it an essential addition to your tool collection.