5 PACK! 3 inch Cup Knotted wire wheel angle grinder brushes.- Brush Diameter: 3 inch
- Arbor Hole Size: 5/8"-11 thread
- Universal NPT arbor fits most 4 inch to 4-1/2 inch grinders
- Powder coat finish that resists rust and corrosion.
- No shank.
- Max. RPM: 12,500 RPM