Mechanical Caliper-Jaw Inside Micrometer Range 1 in to 2 in Resolution 0.001 in SPC Output No Movement of Screw 1 in Inside Micrometer Type Caliper Micrometer Number of Measuring Rods 0 Number of Micrometers 1 Operation Type Mechanical Thimble Type Ratchet Case Included Yes Case Type Plastic Case Contact Point Material Carbide Contact Point Shape Curved Included Certification Inspection Certificate Includes 1 in Dia Setting Ring Lock Nut Type Spindle Locking Nut