According to DIN 3122 / ISO 3315
Square drive adaptor to DIN 3120 / ISO 1174 with ball lock
Reversible
Very robust as a result of double pin technology
Extremely slim head
Fine gearing 72 teeth ratchet mechanism
With ejection mechanism on the ratchet head
Ergonomic 2-component handle with a soft zone
High quality finish
Chrome vanadium