... strike, friction drop hammer produces no sparks explosion. Beryllium copper alloy explosion-proof tools also have special antimagnetic function, the ... as brass, bronze, Monel metal (copper-nickel alloy), copper-aluminum alloys (aluminum bronze), or copper-beryllium alloys (beryllium bronze). Commonly used ... and so on. TRADE FAIR Aluminum or Beryllium copper Alloy Flat File,Non-sparking Safety Tools