Wera 1/2 in Square Socket Adapter, 35.5 mm Overall

The Wera have 3/8" external square head socket 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.

Made of chrome vanadium for high load capacity
With 1/2" square head socket drive
Secure socket fixing