Precision Measuring Tool Kit, Number of Pieces 3, Micrometer Range (In./mm) 0 to 1 in /0 to 25mm, Micrometer Resolution (In./mm) 0.00005 in /0.001mm, Friction Thimble, Caliper Range (In./mm) 0 to 6/0 to 150, Caliper Resolution (In./mm) 0.0005 in /0.01mm, Range per Revolution (In.) -, Includes (1) Micrometer, (1) Digimatic Caliper, (1) Case