Genius Tools 12 Piece 3/8" Dr. Metric Hand Socket Set GS-312M 12 Piece 3/8" Drive Metric Hand Socket Set Included Sizes: 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm 6 point hand socket Sizes are stamped for easy identification of size and will not rub off Made of Chrome Vanadium Steel Comes with a socket rail for easy storage Limited lifetime warranty against manufacturer defect Meets or exceeds ANSI Specs Made for Professionals, Trusted by Professionals