non-sparking safety tool copper hammer Material: fiber handle+ copper head Size: 1,2,3,4,5,6,8,10,12 LB non-sparking safety tool copper hammerThey are mainly used in hazardous environment where flammable and combustible vapors liquilds gas dusts are present such as petroleum industy,chemical industry,power generation,railroad,and mining ects. They can avoid to rise sparking when tools strike,rub ...