The All Black China Detail Brush is a wax tool. Designed in a paint brush style. The soft but sturdy black china bristles allow you to be extremely effective in removing wax residue around emblems and seams. The bristles are .62" long and the whole brush is 6.5" long helping you to get into those hard to reach places. When waxing any car there will always be seam and areas that have left over residue. So the Black china detail brushes are a key tool for any Professional or Fanatic.