- Rugged chrome molybdenum construction drop forged heat treated to cope with the vibration caused by the impact wrench
- Maximum Hardness designed to cope with the greater torque generated by the hammer inside the impact wrench
- Black oxide coating for maximum corrosion resistance with high visibilty laser marked for easier identification
- Curved edges system applies torque to the fastener side reducing corner round off
- Set includes 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 24, 27, 30, 32mm.