XtremepowerUS 8Pcs Crv Air Impact Reducer Socket Drive Adapter Set Heat Treated Vanadium Steel 3/8" Female to 1/4" Male, 1/4" Female to 3/8" Male 1/2" Female to 3/8" Male, 1" Female to 3/4" Male 3/8" Female to 1/2" Male, 3/4" Female to 1/2" Male 3/4" Female to 1" Male, 1/2" Female to 3/4" Male