Mitutoyo Tubular Inside Micrometer Extension Rod 2-20"

This inside micrometer includes a micrometer head and six 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 2-20"
• Micrometer head range 2-2.5"
• Extension rods 0.5", 1", 2" (2pcs), 4", 8"
• Accuracy +/-{0.00015+0.00005n+0.00005R*/2}" R=Maximum measuring length (Inch). n=Number of rods, fraction rounded up
• Graduation 0.001"
• Travel of micrometer head 0.5"
• Case Includes a fitted plastic case

 Mitutoyo Part # 137-213, 137-218
NOTE: This item is not returnable.