The Security Check Paint Marker offers a convenient visual method to identify vibratory loosening or repositioning of nuts, bolts, fasteners and assemblies. The highly visible, brightly colored paint solidifies, becoming easily breakable. Ideal for quality control, service inspections and warranty work. Adheres perfectly to any metal surface. Application: all metal surfaces, rail transportation, machinery industry, automotive industry. Temperature resistance of marking: +200°C Usable temperature: -20°C to +70°C