Draper Expert Impact Socket Converter, 1/4"(F) x 3/8"(M)

Amazon

Forged from hardened and tempered chrome molybdenum steel Chemically blackened for corrosion protection International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Draper impact converter Expert Quality Forged from chrome molybdenum steel hardened and tempered Chemically blacked for corrosion protection Guaranteed quality tools, Weight: 0.04 pounds, Manufacturer: Draper

Electrical World

Expert Quality, forged from chrome molybdenum steel hardened, tempered and chemically blacked for corrosion protection. Hole for ball retainer in the female end and a spring ball retainer in the male end. Display packed.