Mitutoyo Inside Micrometer Extension Pipe 4-40"

This  inside micrometer includes a micrometer head and ten extension pipes that allow for a wide range of ID measurements. A setting ring can be used to accurately set this micrometer. 

• Overall range = 4-40"
• Micrometer head range = 4-5"
• Extension pipes = 1", 2", 3", 6", 9", 12", 14", 16", 17", 19"
• Accuracy = +/-{0.00015+0.00005n+0.00005R*/2}" R= Maximum measuring length(inch) Fraction rounded up. N= Number of rods
• Graduation = 0.001"
• Measuring error of micrometer head = +/-3µm
• Travel of micrometer head = 1"
  
• Case  = Includes a fitted plastic case