non sparking tools are made of cooper-aluminum alloy or

cooper-beryllium alloy

non sparking tools can avoid rise sparking when tools strike,collide,rub,with a target in explosive atmosphere or  combustible vapours and widely used in hazardous environment.

where combustible vapours liquids gas dusts exist.

they are widely used in petroleum industry  power generation,railroad,and mining.

They are passed ISO9001/UKAS.

please kindly send me an offer,then i will give you a quotation with best price.