- High tensile steel for long life
- Clear size marking for easy selection
- Folding plastic carry case
- Versatile ball head allows engagement angle up to 25°
The Stanley Hex Keys Metric Ball Set of 9 piece are standard hex keys in high tensile steel for high quality performance and a long life. Clear size markings allow for easy selection and identification, while the folding plastic carry case ensures convenient easy access. The versatile ball head allows engagement angle up to 25°.