Mitutoyo 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