• RM socket bits are made of SNCM or S2 high quality resistant steel with proper heat treating process.
  • RM socket bits are twice or more as durable as other bits produced by our rivals.
  • RM socket bits deliver power straightly, no energy wasted in heavy loading.
  • RM socket bits exceed DIN & ASME standard, perfectly fits screw recesses, will not damage screws & serve thousands of times with the best quality