The break-back torque wrench, Beta 677, is particularly suitable for heavy-duty use at high torques. The break-back mechanism informs the user that the set torque has been reached through the bending of the wrench at the joint by approximately 20°.
Features:
• Accuracy: ± 4% as per UNI EN ISO 6789
• Push-through ratchet for use in both right-hand and left-hand direction
• 20° bending angle at joint, to inform user that set torque has been reached
• Wrench composed of two parts: lever with ratchet and break-back system with torque adjustment
• Supplied with calibration certificate in accordance with UNI EN ISO 6789