WHOLESALE 3pc IMPACT REDUCER SET Tough and durable heat treated construction. Durable black finish resists rust. Quickly converts sockets to correct drive, saving time and money. Includes: 3/8"" Female x 1/4"" Male: 1/2"" Female by 3/8"" Male; 3/4"" Female x 1/2"" Male. ⚠ 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.