Black Carbon Steel Cup Brushes Twisted Wire Usage/Application Cleaning Type Cup Brush Diam Eter 75-100,Max Rpm 12500/8500 Colour Black Bristle Material Carbon Steel 2-5 Inch Packaging Size 100/40 Bristle Stiffness Hard. (Sample Should Be Approved By The Consignee Before The Bulk Supply.) [ Warranty P Eriod: 12 Months After The Date Of Delivery ] ]