1.DURABLE AND QUALITY: Insulated Needle Nose Pliers are Made of die-forged Vanadium Steel.Rust-resistant,High Strength,Anti-burn, High and Low Temperature Resistant.Firm Structure, No Loosening, Displacement or Shedding.Jaw hardness is HRC 58-63. 2.PRODUCT STANDARD: Insulated Long Needle Nose Pliers are produced according to IEC60900 Standard, and in accordance with Germany VDE Certification. Before ex-works delivery, all tools must pass 10000V AC test(10 times of the rated voltage). 3.APPLICATIONS: Insulated Long Nose Cutting Pliers are widely used in power maintenance, power station and transmission field, precision instruments, power vessels, automatic switches and other installation and maintenance operations, which can effectively protect workers from electric shock during the use of tools. 4.SAFETY DESIGN: Insulated Long Nose Pliers Side Cutters single-head structure,exposed metal part should be as little as possible,flange on insulated handle, insulation entirety, no crack or breakage.No joint gap between assembled insulated Tools.