Mitutoyo 128-106 Depth Micrometer, 0-1″/ Base 4″

Technical Data
Accuracy: 3m (0.00015″) for micrometre head feed
Graduation: 0.011″
Flatness of reference face: 1.3 microns(0.00005″) for 63.5mm(2.5″) width base, 2 microns (0.00008″) for 101.6mm(4″) width base
Flatness of measuring rod face: 0.3 microns
Parallelism between reference face and measuring rod face: (4+L/50) microns, L=Max. measuring length (mm)
Measuring rod diameter: 4mm (0.157″)