Stanley® 14-Piece SAE Combination Wrench Set includes tools ranging from 3/8" - 1 1/4" and has employed maxi-drive system to the box end to apply 15% more torque and to contact the fastener away from the corner.
Features
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
Stanley wrenches are designed to meet or exceed ANSI specifications