Expert Quality, forged from chrome vanadium steel hardened, tempered and chemically blacked for corrosion protection. Groove and hole in the 1/2" female end to receive a ring and pin. It has a hole in the 3/4" male end to receive a pin. Display packed. https://elecena.pl/product/27249417/draper-expert-14106-1-2-quot-f-x-3-4-quot-m-powerdrive-impact-socket-converter 2024-11-12 https://elecena.pl/product/27249417/draper-expert-14106-1-2-quot-f-x-3-4-quot-m-powerdrive-impact-socket-converter 2026-07-14