- 1/4″ to 1/2″ connection part
- With 1/4″ square head socket drive
- 1/2″ external square
- With secure socket fixing
- Made of chrome-vanadium for high load capacity
Application:For 3/8″ 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:1/4″ socket square head
Includes:
- 781 A 1/4″ Connection parts, 781 A/C x 1/2 x 36 mm x 1/4″





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