• Insulated Adjustable Wrenches 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)

• 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