1.Materials:Beryllium Copper alloy /Aluminium Bronze

2.GS and UKAS Certifications.

3.These tools can avoid to rise sparking when tools strick,rub with target and be widly used in oil and gas works,mine and many others.

4.We supply various wrench,such as Wrench Single open end,Wrench striking open,Wrench double open end,Wrench double box offset,Wrench hex key,Ratchet Wrench and so on