These wrenches are designed and manufactured to meet or exceed the accuracy and repeatability requirements of ISO 6789:2003 (6% of setting).

• Small and lightweight
• Tamper-proof internal adjustment

Breaks-over when preset torque is reached eliminating overtorquing. The break-over mechanism minimizes shock to assemblies. No external adjustment scale must be preset using a torque analyzer. When the TB wrench achieves torque, the head breaks-over preventing the operator from overtorquing the fastener.