Wera 05042755001 784 B 3/8" Adaptor with quick-release chuck, 784 B/1 x 1/4" x 43 mm
Product DescriptionAdaptor from square to hexagonal. Comes with quick-release chuck for rapid bit change. Suitable for the attachment of bits with ¼" hexagon drive as per DIN ISO 1173-C 6.3.
Drive: 3/8" square.
Data Sheet: