Mitutoyo Tubular Inside Micrometer Extension Rod 50-300mm

This inside micrometer includes a micrometer head and five extension rods for measuring inside diameters. Options of a standard or carbide tipped measuring face are available.  A setting ring can be used to accurately set this micrometer. 

• Overall range 50-300mm
• Micrometer head range 50-63mm
• Extension rods 13mm, 25mm, 50mm (2pcs), 100mm
• Accuracy +/-(3+n+L/50)µm L= Maximum measuring length(mm) Fraction rounded up. N= Number of rods
• Graduation 0.01mm
• Travel of micrometer head 13mm
• Case Includes a fitted plastic case

 Mitutoyo Part # 137-202, 137-207
NOTE: This item is not returnable.