A powerful, 2000w 230mm Angle Grinder from Makita, supplied with diamond blade.
Diamond blades not only outlast regular abrasive discs by many times, they also ensure a cleaner, quicker & more efficient cut.
The 9020KD is ideal for heavy duty cutting, grinding & finishing in both metal & masonry; fitting appropriate accessories means it's also suitable removing rust or paint from metal surfaces.
Compatible discs for the GA9020KD available here