RC airplane tools set four Hexagon sleeve Box screwdriver
- Metric outer diameter of the sleeve: 4.0BOX - 6.33mm
- Metric outer diameter of the sleeve: 5.5BOX - 7.70mm
- Metric outer diameter of the sleeve: 7.0BOX - 9.65mm
- Metric outer diameter of the sleeve: 8.0BOX - 10.94mm