Combines grade stainless steel durability with cams locks operate, laboratory grade accuracy in portable format for fast on site measurement Features double scale calibration, lightweight portability, and markings that maintain clear in harsh environments while complying with international measurement standards Ideal for shipyards inspections, pipeline welding assessments, and structural steel fabrication site where strong measurement instruments withstand and heavy duty use Essential for welding inspectors, marine engineers, and construction professional requiring field prepare dimensional verification tools for critical infrastructure projects Accuracy engineered stainless steel cams type welding inspection gauge ensures accurate metric and royal measurements with erosion resistant construction for stable weld inspection results, Manufacturer: ZYKEJJDDAK