The RIDGID R860451B 18V 4-1/2 inch Cordless Angle Grinder offers versatile performance for a range of tasks including grinding, cutting, rust removal, and surface preparation. This powerful tool operates at a maximum speed of 8,500 RPM and accommodates standard 4-1/2 inch grinding and cutting accessories. Its cordless design provides excellent portability, allowing you to work in various locations without the need for an outlet. Featuring a convenient paddle-style power switch, an adjustable safety guard, and a removable side handle, this grinder ensures enhanced control and stability during operation. It is compatible with all RIDGID 18V batteries, though the battery and charger are sold separately.