Stanley wrenches are designed to meet or exceed ANSI specifications. The box end of the Stanley Combination Wrench employs the Max-Drive system, which allows the box end to contact the fastener away from the corner. This system allows 15% more torque to be applied to the fastener and helps reduce fastener rounding. Includes: 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm WrenchesFrom the ManufacturerStanley wrenches are designed to meet or exceed ANSI specifications. The box end of the Stanley Combination Wrench employs the Max-Drive system, which allows the box end to contact the fastener away from the corner. This system allows 15% more torque to be applied to the fastener and helps reduce fastener rounding. Includes: 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm Wrenches
