Supkeyer 6Pcs Stainless Steel Bore Brush Bristles Wire Brush Wire Tube aning Brush Washing Polishing Tools with 1/4 inch Hex Shank Handle for Power Drill aning Impact Driver (Copper)

The brush is made of stainless steel, strong and durable, can clean rust and detail completely, Hang-up hole for convenient storage. There are 6 different sizes of the bore brushes, including 8 mm, 10 mm, 12 mm, 15 mm, 17 mm and 19 mm indiameter; Each brush has 4 inch in length and 1/4 inch hex shank to be mounted on any power drill or die grinder (not included) The finest quality Brushes to give you long service on the toughest cleaning jobs. These cup brushes are ideally suited for cleaning castings, structural steel and sheet metal. Easy to use: you just need paste one of the brushes on the included handle to bore out rust or dirt, and it can also use on any power drill or die grinder, which can provide you with effective cleaning Please note: please do not exceed 600 rpm, and do not turn counterclockwise, just for push and pull motion only; Pay attention to the correct use of these brushes, in order to prolong the service life