Features and Benefits:�scale increased by 60% for improved visibility and setting accuracy�torque adjusting speed increased by 40%�handle and lens materials resistant to all chemical substances used in automotive sector, industry and aviation�red colour of o-ring indicates that wrench is unlocked and torque can be adjusted�when not in use, set torque to lowest value of torque wrench range�recalibration reminder shows time to recalibrate wrench (4 steps: 3, 6, 9 and 12 months)Click-type torque wrenches with reversible ratchets, for right-hand tightening torque accuracy: �3%