Non sparking open end double wrench ,aluminum bronze or beryllium copper 

1,Application scope:

widely used in the place where has potential explosive dangerous environment.such  as petroleum.chemical industry,gas station,mining,etc.

2.character:

the tools is a kind of non spark tools.which can not get spark when the tools get striking.rubbing with target or each other.

it's a kind of safety tools.

3.specification:

 1).material:aluminum-copper alloy

 2).technology:casting or forging

 3).finished:polished or electrostatic spraying