Good replacement for wire brushes. Consistent supply of abrasive. Excellent replacement for wire brushes. Use on bench motors for general purpose cleaning applications. No flying wires yet higher cut rates. Very strong and flexible. Comes with adapters for multiple shaft sizes. Durable radial brushes can be used to replace wire brushes. Cleans with minimal pressure. Works on a variety of coatings and is a safe alternative to wire brushes. Abrasive mineral: ceramic. 1" Center hole diameter. Dark brown color. Converted form: bristle brush. Equipment - machines: bench motors. Form type: radial bristle. Grade: 36. Maximum rpm: 6000. Position: best. Measures 6" diameter by 1/2" width.