Mitutoyo 139-181 Tubular Inside Micrometer with Extension, 4-68"

139-181 Includes Only:

• Fitted wooden case
• Extensions: 1, 2, 4, 8, 16" (3 pcs.)
• Micrometer head
• Key

Features:

• Solid extension rod allows for measuring various dimensions with reliability and durability
• Vernier scale on the sleeve permits exact measurements
• Satin chrome finish on the sleeve and laser-etched scale on thimble for easier reading

The Mitutoyo mechanical extension pipe tubular inside micrometer offers the ability to measure a wide range of inside dimensions with exact precision. The extension pipes are lighter and more cost-effective than extension rods. Slow head travel helps provide fine measurement position, while a locking clamp holds measurements in place for easier reading.