Application:For 1/4" and 1/2" square head socket wrench inserts with ball lock
Design:For manual and machine-operated tools (non-impact), with ball stop groove, knurling at the rear end for manageability during manual use; chrome-vanadium, brushed chrome-plated finish
Drive:3/8" socket square head
Technical Specifications:
- 781 B 3/8" Connection parts, 781 B/A x 1/4 x 27 mm x 3/8"
