Mitutoyo 137-214: Tubular Inside Micrometer, Range 2-40″

Mitutoyo 137-214 Tubular Inside Micrometers 2-40″ , Extension Rod Type. Wide range of ID measurements by combining extension pipes and anvils with micrometer heads. Supplied in a fitted plastic case.
● Range: 2″ – 40″
● Travel of micrometer head: .5″
● Accuracy: +/-{.00015+.00005n+.00005R/2}* R=Maximum measuring length (inch) n=Number of rods Fraction rounded up
● Extension rods: .5″, 1″, 2″ (2 pcs.), 4″, 8″ (2 pcs.), and 12″