Product Description: 
- Material: Chrome vanadium
- Adjustable head: 7-19 mm
- Can be installed on an electric drill
- Automatic head adjustment
- It is possible to remove/install large/small head bolts.
- The adapter is compatible with all standard drills.
- Resistant to corrosion
- Practical to use
- Adapter size: 52*20*20 mm
- Wrench length: 17 cm
- Color: Silver