Lidl is currently offering the Parkside cordless angle grinder on sale. The grinder allows you to cut, sand and brush, and can be used on metal, stone, tiles, wood or plastic.
It is compatible with commercial cutting and sanding discs, up to 125 mm in diameter. The softgrip handle provides a good grip, and you also benefit from an adjustable 2-in-1 hood. It can also be used with cup brushes or circular brushes, depending on how you want to use it.