SHOCKWAVE Impact Duty 3/4 in. Drive to 1/2 in. Drive Reducer, Milwaukee Tool, Mfr#: 49-66-6728

IMPACT REDUCER, Black Phosphate, Locking No, Output Drive 1/2 in (F) Square, Output Drive Shape Square, Output Drive Size 1/2 in, Output Drive Gender Female, Impact, Input Drive 3/4 in (M) Square, Input Drive Shape Square, Input Drive Size 3/4 in, Input Drive Gender Male