Mitutoyo 139-180 Mechanical Tubular Inside Micrometer 4 to 52" Range

The Mitutoyo 139-180 Mechanical Tubular Inside Micrometer offers a wide range of inside diameter measurements by combining extension rods (pipes) and anvils with the micrometer head. Equipped with highly-durable, large-diameter extension pipes and supplied in a fitted wooden case. This model has a measuring range of 4 to 52" and includes 1",2",4",8" and 16" extension rods.