Application:For 3/8" 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:1/2" socket square head
Technical Specifications:
- 781 C 1/2" Connection parts, 781 C/B x 3/8 x 35.5 mm x 1/2"