“Product Overview
● 11 PC. 14×18 Interchangeable Torque Wrench Set
● Open-ended Insert Tool
● 14×18 Ratchet Insert Tool
● 14×18 Heavy Duty Interchangeable Torque Wrench (Newton Meter)
● Calibration must be done regularly to ensure accuracy.
● The suggested calibration period is at least every 12 months or 5000 times of usage.”