IMPACT READY(R) 1/4 Hex Shank to 3/8 Socket Adaptor
Hex Drive Socket Adapter, Black Oxide, Locking Yes, Output Drive Male, Square, 3/8 in, Output Drive Shape Square, Output Drive Size 3/8 in, Output Drive Gender Male, Impact, Input Drive Male, Hex, 1/4 in, Input Drive Shape Hex, Input Drive Size 1/4 in, Input Drive Gender Male.