The Milwaukee 2888-20 M18 FUEL 4-1/2" / 5 Variable Speed Braking Grinder is a powerful and versatile angle grinder powered by a lithium-ion battery with 1400W of power. It features a 4 1/2" disc diameter and a paddle switch for easy control. With a compact design and a lightweight construction, this grinder is perfect for various grinding and cutting tasks in the workshop or at home. The Milwaukee brand ensures high quality and durability, making it a reliable tool for professionals and DIY enthusiasts alike.