Extended Measurement Range: Offers a comprehensive range of 6-10 inches with 0.0005" graduations, suitable for larger bore measurements. 10" Stem Length: Equipped with a 10" stem, this gauge set is designed for deep bore access, ensuring accurate measurements even in extended reach scenarios. Chrome-Plated Durability and Comfort: Features a chrome-plated handle for enhanced durability against wear and corrosion, coupled with an insulated grip for user comfort during prolonged use. Self-Centering Precision: Incorporates a self-centering mechanism for easy alignment and precise measurements, enhancing the tool's reliability. Complete Set with Extras: Comes with extension holders and fitted cases, ensuring a ready-to-use, organized, and protected measurement solution. In a fitted plastic case