1. **Extended Range Measurement**: Transform the way you tackle challenging measurement tasks with our innovative depth gauge featuring multiple extension rods up to 500 mm in depth. for professional mechanics, machinists, and craftsmen who need access to recessed areas, deep holes, or tight spaces without compromising precision or stability. 2. **INDUSTRIAL DURABILITY**: Experience unmatched longevity with our specially designed shockresistant structure, which absorbs and protects internal components during daily use. The quality carbide probe tip retains its shape and delivers consistent measurements year after year, even after thousands of measurements in harsh workshop environments. 3. ** Stainless Steel Construction**: Invest in a tool built for durability with our corrosionresistant stainless steel housing, which withstands exposure to oils, coolants, and workshop chemicals. The precisionmachined components deliver performance and resist wear, making this depth gauge a reliable companion for professional use in automotive shops, manufacturing plants, and production environments. 4. **Versatile Measurement Capabilities**: Tackle a wide range of measurement challenges with exceptional precision, whether measuring depths, steps, gaps, or grooves. The stable base and precise dial indicator system work in harmony, delivering repeatable readings within a 0.01 mm tolerance, making this tool indispensable for quality control processes and engineering applications.