1. Robust, ShockResistant Design: Features a stable rack shock structure and a carbide probe, ensuring lasting accuracy and precise measurements even in demanding environments. This depth gauge base is built to withstand continuous use, maintaining its reliability over time. 2. Versatile Expandability: Equipped with various extension rods, this tool can extend up to 500 mm, making it suitable for measuring deep and hardtoreach areas with ease. This enhances its utility for a wide range of applications in PCB hole depth measurement. 3. Reliable Depth and Step Measurement: Designed for convenient and reliable depth and step measurements, this F1402 base delivers accurate readings for various applications. Its precision of 0.01 mm ensures consistent and trustworthy results every time. 4. Quality Stainless Steel Construction: Made from stainless steel, this depth gauge base is resistant to wear and corrosion. Its sturdy construction ensures durability and maintains accuracy even with frequent use in industrial environments.