SHOCKWAVE Impact Duty 1 in. Drive to 3/4 in. Drive Reducer, Milwaukee Tool, Mfr#: 49-66-6731

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