Draper expert 1 2 f x 3 8 m powerdrive impact socket converter display pack draper expert 14099 b i expert quality i b forged from chrome vanadium steel hardened tempered and chemically blacked for corrosion protection hole for ball retainer in the 1 2 female end and a spring ball retainer in the 3 8 male end display packed draper expert 14099 1 2 f x 3 8 m powerdrive impact socket converter