Connection 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.
- 3/8" to 1/4" connection part
- With secure socket fixing
- With 3/8" square head socket drive
- 1/4" external square
- Made of chrome-vanadium for high load capacity
- Lifetime warranty
