Craftsman 9-3109 12-Piece Metric Universal Wrench Set 8mm-19mm Works with: Hex (6pt), External-TORX, 12pt, Spline, Square (4pt), Partially Rounded Hex Metric Universal Wrench Set includes sizes: 8 -19mm Black oxide finish resists rust Clear markings give you the right wrench when you need it Knuckle clearing, 15-degree offset head delivers more torque with less scraping