Mitutoyo 137-212 Extension Rod Set for Tubular Inside Micrometer

The Mitutoyo 137-212 is a comprehensive extension rod set designed for use with Mitutoyo tubular inside micrometers. This set enables precise internal diameter measurements across a wide range of sizes by combining the extension rods with the micrometer head and anvils.

Set Includes:

• 0.5 inch extension rod (1 piece)
• 1 inch extension rod (1 piece)
• 2 inch extension rods (2 pieces)
• 4 inch extension rod (1 piece)

Key Features:

• Compatible with tubular inside micrometers having 0.5 inch travel of micrometer head
• Enables measurement range from 2 to 12 inches when combined with micrometer head
• Precision-ground steel construction for accurate measurements
• Interchangeable rods allow for flexible measurement configurations

This extension rod set is essential for expanding the measurement capability of your Mitutoyo tubular inside micrometer system, providing versatility for measuring various bore diameters in machine shop, quality control, and inspection applications.