22PC 10mm bit set.
1. #3137C: bit holder 3/8"DR.10mm x30mmL.
2. #4137C: bit holder 1/2"DR.10mm x38mmL.
3. #271M: 10PCS 10mm XZN bit 30mmL: M4, M5, M6, M7, M8, M9, M10, M12, M13.
4. #271M: 10PCS 10mm XZN bit 75mmL: M4, M5, M6, M7, M8, M9, M10, M12, M13.