GEDORE KB 619 Adaptor for bits 1/4" hex - 1/2" square

Hex recess drive as per DIN 3126-D 6.3 (1/4") and square drive Form G as per DIN 3121, For hand-operated or power tools, For use in power tools, we recommend the use of a locking ring and pin, Manganese-phosphated, When using machines, we recommend the use of a circlip and pin, * not standardised