Mitutoyo 139-201 Inside Micrometer Extension Rod Set 1.5-12 In, .001 In

The Mitutoyo 139-201 is a mechanical extension rod type inside micrometer (extension pipe set) with a measuring range of 1.5-12 inches and .001 inch graduations. It is built for taking inside diameter (ID) measurements across a wide range of sizes.

Key Features:

• Mechanical extension rod type inside micrometer
• Measuring range of 1.5-12 in with .001 in graduations
• Extension rods in .5 in, 1 in, 2 in, 2.5 in, 3 in, 3.5 in, 4 in and 6 in lengths
• Combine extension pipes and anvils with micrometer heads to cover a wide range of ID measurements
• Supplied in a fitted wooden case

A practical choice for machinists and inspectors who need flexible inside measurement capability with a single, organized, case-stored set.