Wera 05042750001 Female Square 784 A Quick-Release Chuck Adaptor 1/4"x1/4" Drive

Adapter From Square To Hexagonal.
Comes With Quick-Release Chuck For Rapid Bit Change.
Equipped With Ball Stop Groove
Suitable For The Attachment Of Bits With 1/4 Hexagon Drive As Per Din Iso 1173-C 6.3.
Drive: 1/4 Square.
Wobble-Free Connection