Mechanical Solid-Rod Inside Micrometer Range 8 in to 32 in Resolution 0.001 in SPC Output No Movement of Screw 1 in Inside Micrometer Type Solid Rod Inside Micrometer Number of Measuring Rods 4 Number of Micrometers 1 Operation Type Mechanical Thimble Type Plain Case Included Yes Case Type Padded Case Contact Point Material Steel Contact Point Shape Flat