The Einhell ULTRA surface brush (stone) is an accessory for the Einhell PICOBELLA cordless surface brush. The robust steel brush is ideally suited for cleaning stubborn dirt, deposits, lichen, moss and rust from coarse, rough, robust stone surfaces such as granite, porphyry or quartzite. The ULTRA brush is not suitable for polished, ground or sealed natural/artificial stone surfaces. The brush has a diameter of 115 mm and a working width of 195 mm. Other brushes for the Einhell PICOBELLA are available separately.