Wright Tool 9383A 12 Point Ratcheting Box Wrench, 9/16" x 3/4" Nominal Size New design provides 50% more strength The opening profile places more metal in high-stress areas to stiffen the jaws Design utilizes advanced technologies to improve speed to contact areas Comfortable and reliable grip as well as the outstanding professional appearance When compared with other high-quality wrenches, the improvement in strength is as high as 80% Size 9/16-Inch x 3/4-Inch 12 point Wright wrenches feel as good as they look Have a reserve of strength for tough jobs Provides more torque with less fastener damage