1. **PRODUCT STANDARD**: Linesman pliers are manufactured to IEC60900 standard and comply with German VDE certification. Before leaving the factory, all tools undergo a 10,000V AC test (10 times the rated voltage). 2. **DURABLE **: The linesman pliers are forged from vanadium steel, offering rust resistance, strength, combustion resistance, and tolerance to extreme temperatures. The sturdy construction ensures no loosening, shifting, or detachment. Jaw hardness ranges from HRC 5863. 3. **Applications**: Combination pliers are widely used in energy maintenance, power plants, transmission systems, precision instruments, power tanks, automatic switches, and other installation or tasks. 4. **Safety Design**: Insulated tools feature a singlehead structure with minimal exposed metal parts. The insulated handle includes a flange for complete insulation, of cracks, breaks, or gaps between mounted components.