10-Pack Carbon Steel Wire Wheel, Cup, Pen Brush Set with 1/4-Inch Hex Shank for
Hardened steel wire long maximum 4500 RPM. Looking for a tool to clean your vehicle, shed, or boat?. This steel wire pen brush is just what you need to get those hard-to-reach areas. Attaches to Most Power Drill: 1/4″ Shank Hex quick change shanks are use in all Types of drills and die grinders 4500 Max RPM.