Set contains 8 of the most popular impact adapters.
All items us the Friction Ball Retainer.
Includes: 1/4" Female x 3/8" Male, 3/8" Female x 1/4" Male, 3/8" Female x 1/2" Male, 1/2" Female x 3/8" Male , 1/2" Female x 3/4" Male, 3/4" Female x 1/2" Male, 3/4" Female x 1" Male, 1" Female x 3/4" Male
Reducing adapters are not covered under warranty