12 Piece 3/8" & 1/2" Drive Hex Bit Socket set. Set includes: 1/2" Drive sizes: 1/2, 9/16, and 5/8 3/8 Drive sizes: 1/8, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8 ⚠ 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.