WHOLESALE 3pc IMPACT ADAPTER SET Tough and durable heat treated construction. Durable black finish resists rust. Quickly converts sockets to the correct drive saving time. Includes: 3/8"" Male by 1/4"" Female; 1/2"" Male by 3/8"" Female; 3/4"" Male by 1/2"" Female. ⚠ WARNING: This product can expose you to Chromium, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.