... high quality tool steel or Stainless steel 3-way or Caliper: Vernier caliper:Made of Carbon steel, high quality tool steel or ... inside groove, precision welded seam gage,spline gage, V measuring face vernier caliper, T type marking, steel marking gagewith double needle- ... round rod-with round rod & fine adjustment, and compassHeavy duty vernier caliper: Basic model, long jaws type, Mono block & with ...