This 1-6inch dials indicators extension rod set high strength aluminum alloy construction, ensuring stability and durability in complex environments. Perfect for mechanical processing and mold manufacturing, it solve the common issue of insufficient tool length during precisions measurements. Made from aluminum alloy, this set is both lightweight and sturdy, making it easy to carry and operate. Ideal for engineers and technicians who require frequent adjustments, enhancing overall work efficiency. Includes extension rods and lift rods that can be freely combined to meet various measurement depths and angles. Suitable for tight spaces or large equipment, offering for different tasks. Designed to work with most dials indicators and micrometers, eliminating compatibility concerns. A practical choices for professional managing multiple measuring instruments. fast assembly and disassembly, saving valuable time. Perfect for users who frequently switches between measuring tools, improving workflow and comfort.