Gedore Adaptor for bits 1/4" hex 1/2" square

Amazon

When machine use, we recommend using circlip and pin. KB 619 connector 1/4 inch skt - 1/2 inch vkt. Manganese phosphated International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions., Weight: 0.15873282864 Pounds, Manufacturer: Gedore

Zoro Tools

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 * Length not standardised manganese phosphated * Length not standardised