These extension fittings are suitable for tight and hard-to-reach places. It makes your cleaning job easier.Different hardness levels - you can get an idea of the hardness level by the colour. The white bristles are soft, the yellow bristles are medium, the red bristles are hard and the black bristles are hard. Teal and orange pads are soft, burgundy and black pads are medium and green pads are hard. Polishing sponges and wool pads are soft.Tool selection - Nylon brushes for cleaning dirt, hard water and soap stains, suitable for bathroom tiles and grout, floors, car details etc. Clean kitchens such as sinks, cookware, pots and pans etc. Sponge and wool pads for polishing and waxing paint after stain removal.Easy to use - all brushes have a 1.2 cm quick-change shaft. The shafts are hexagonal and are suitable for any drill chuck, right angle or angle. Remove the drill bit, select the brush and start cleaning. Please protect yourself from splashing water before cleaning".