Mechanical Outside Micrometer Set Range 0 in to 4 in Resolution 0.001 in SPC Output No Number of Micrometers 4 Operation Type Mechanical Thimble Type Ratchet Case Included Yes Case Type Plastic Case Includes (3) Standards (4) Micrometers Carbide Faces Spanner Wrenches Rod Lengths Included 1 in 2 in 3 in Accuracy +/-0.001 in