Precision Measuring Tool Kit, Number of Pieces 3, Micrometer Range (In./mm) 0 to 1 in, Micrometer Resolution (In./mm) 0.0001 in, Ratchet Thimble, Caliper Range (In./mm) 0 to 6/0 to 150, Caliper Resolution (In./mm) 0.001 in, Range per Revolution (In.) 0.100, Includes (1) Precision Rule, (1) Dial Caliper, (1) Micrometer, (1) Case