Wera 05042672001 781 B 3/8" Connection parts, 781 B/A x 1/4 x 27 mm x 3/8"
Product DescriptionConnection part 3/8" square head socket to 1/4" external square head. For manual and machine-operated tools (non-impact), with ball stop groove to safely lock the socket, knurling at the rear end for manageability during manual use; chrome-vanadium, dull chromed.
Data Sheet:
