Adapter and insert must be able to withstand enough torque to break a new ½” Grade 5 bolt without damage. tools
At the time of this publication, March, 2018, both the Torkster Classic and Torkster Pro have met these requirements. In fact, during testing of the Torkster Pro, we actually broke the vise that was holding the work! The Torkster Mini testing should be done by July, 2018.