Portable electric concrete floor polisher, often marketed as a three-head grinder, designed for surface preparation.
It typically features a 220V motor with variable speed settings ranging from 2500 to 4800 RPM for grinding and polishing.
The unit often includes a vacuum attachment port for dust-free operation, although the vacuum itself is usually sold separately.
The kit shown includes various polishing pads alongside the grinding head, suitable for renovating cement or epoxy floors.