Extension rods .5, 1, 2 (2pcs), 4, 8in (2pcs), 12in

686⁰⁰

Extension rods .5in, 1in, 2in (2pcs), 4in, 8in (2pcs.), 12 inches for Tubular inside micrometer, 2-40 inches Range, .5 inches travel of micrometer head

Wide range of ID measurements by combining extension pipes and anvils with micrometer heads.
Suppled in a fitted plastic case.
Wide range of ID measurements by combining extension rods and anvils with the micrometer head.

Range	2 In - 40 In
Resolution	.001 In
Accuracy	±{.00012+n+(.00004xR/2)}

137-214