Set for hubs 4 is an ideal tool as it allows for quick cleaning before mounting brake discs. The surface on which the disc is mounted must be metallically clean so that the disc can adhere precisely to the hub. This ensures compliance with the mounting tolerances provided for brake discs. It consists of a pneumatic angle grinder and 4 brushes (fine-grained). The brushes are mounted on the thread of the pneumatic gun. Through high speeds (up to 15,000 rpm), they guarantee perfect cleaning of the hub surface. The entire process takes only a few seconds. To expand the range of services, e.g., to include bodywork, simply order brushes with coarser grain. For this purpose, we recommend the bodywork set: (03.9314-1371.3): consisting of 4 brushes - green (medium-grained) and 4 brushes - red (coarse-grained).