The Milwaukee 2888-20 M18 FUEL 4-1/2"/5 Variable Speed Braking Grinder is a powerful angle grinder with a 4 1/2" and 5" disc diameter, perfect for a variety of cutting and grinding tasks. It features a lithium-ion battery technology, providing reliable power for the 1400W motor. The paddle switch allows for easy control, while the compact design makes it easy to maneuver. This red-colored grinder is part of the Milwaukee M18 FUEL line, known for its durability and performance, making it a must-have tool for any workshop or job site.