- Rubber expansion for these drums is controlled by simply twisting the rubber spindle by hand, no tools necessary
- Turn spindle clockwise to expand rubber for quick-lock, and counter clockwise to loosen for quick-change
- The rubber spindle is seated directly on the drive mandrel (arbor)
- Shank Diameter: 1/4"
- Drum Diameter: 1/2"
- Drum Length: 2"
- Maximum RPM: 10,000