This brush set for various multi-tools is used to clean various surfaces. This kit includes steel, brass, and nylon brushes, as well as polishing discs with attached clamping rods. The absorption shaft of the box is 3.17 mm. This brush set for various multi-tools is ideal for cleaning various surfaces. Universal brush for all medium-duty work, for light cleaning work, surface treatment and degreasing. 3rd party brush for polishing, deburring, varnish removal, deoxidation, degreasing, descaling, mattifying, and cleaning. Kit contents: 15 x Brush Pot 15 x Sanding Brushes 15 x Brush Brush