Mechanical Tubular-Rod Inside Micrometer Range 1.5 in to 12 in Resolution 0.001 in SPC Output No Movement of Screw 1/2 in Inside Micrometer Type Tubular Inside Micrometer Number of Measuring Rods 8 Number of Micrometers 1 Operation Type Mechanical Thimble Type Plain Case Included Yes Case Type Padded Case Contact Point Material Steel Contact Point Shape Curved