Draper Impact Socket Converter, 3/4"(F) X 1/2"(M) - 326Expert 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. Key Features Expert Quality construction ensures durability and longevity, crafted from high grade chrome vanadium steel. Hardened and tempered design provides superior strength, making it ideal for heavy duty