Mechanical Outside Micrometer Set, Range 0 in to 6 in, Resolution 0.001 in, SPC Output No, Number of Micrometers 6, Operation Type Mechanical, Thimble Type Friction/Ratchet, Case Included Yes, Case Type Plastic Case, Includes (5) Standards, (6) Micrometers, Carbide Faces, Spanner Wrenches, Rod Lengths Included 1 in, 2 in, 3 in, 4 in, 5 in, Accuracy +/-0.001 in