Mitutoyo's Plastic Case for 2-3" Digimatic Micrometers. Designed specifically for Mitutoyo 2-3" Digital Micrometers, this Plastic Case from Mitutoyo helps protect your micrometer when not in use. For the following Micrometer models... 293-232-30 293-242-30 293-332-30 293-342-30 293-236-30 293-246-30 293-346-30 Micrometer Sold Separately