Mitutoyo 137-214 Extension Rod Set for Tubular Inside Micrometers

The Mitutoyo 137-214 is a comprehensive extension rod set designed for use with tubular inside micrometers, enabling precise internal diameter measurements from 2 to 40 inches. This professional measurement kit includes seven hardened steel extension rods in the following sizes: 0.5 inch, 1 inch, 2 inches (2 pieces), 4 inches, 8 inches (2 pieces), and 12 inches. The extension rods work in combination with micrometer heads that have a 0.5-inch travel range.

Key Features:

• Allows measurement range from 2 to 40 inches when combined with appropriate micrometer heads and anvils
• Hardened and precision-ground steel construction for durability and accuracy
• Compatible with Mitutoyo tubular inside micrometer heads with 0.5-inch travel
• Supplied in a fitted plastic storage case for organization and protection
• Enables wide range of ID measurements by combining extension rods and anvils with micrometer head

This extension rod set is an essential accessory for precision measurement professionals who need to measure larger internal diameters beyond the range of standard inside micrometers. The multiple rod lengths provide flexibility to configure the measurement tool for various bore sizes and depths.