bosch grinder carbon brush the size:6.3x16x22,6.3x16x26,... sliver joint bosch ... company specializing in the production of all kinds of carbon brushes, brush holders,brush holder assembly, such as power tool(BOSCH,MAKITA,DEWALT ... conditioning,vacuum cleaner,kitchen appliances...), other industry-specific carbon brush.Material:carbon graphite materials-versatile materials/resin-bonded graphite/electro ...