Item Tag: Class 2A

Safety performance upgrade:High strength alloy steel is used as raw material, solid one-piece design. Before leaving the factory, all aspects of performance are tested by sampling, including torque test, thread accuracy test, installation and disassembly test, to ensure product performance.

Safety performance upgrade:High strength alloy steel is used as raw material, solid one-piece design. Before leaving the factory, all aspects of performance are tested by sampling, including torque test, thread accuracy test, installation and disassembly test, to ensure product performance.