Mitutoyo Inside Micrometer Extension Rod 2-40"

This inside micrometer includes a micrometer head and eight 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. 

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• Overall range = 2-40"
• Micrometer head range = 2-2.5"
• Extension rods = 0.5", 1", 2" (2pcs), 4", 8" (2pcs), 12"
• 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