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.