... of Carbon steel, high quality tool steel or Stainless steel 3-way or Caliper: Vernier caliper:Made of Carbon steel, high quality ... tool steel or Stainless steel3-way or 4-way measuringHave Basic model, with fine adjustment, with auto ... welding gage, large LCD left hand use, 3-key,4-key type, ABS key type, hold key type, mode key type, arc outside type, outsidegroove type ...