Stepped Scale Design: Prevents dirt and debris from entering moving parts, ensuring smooth operation. Precise Measurements: Provides accurate, reliable measurements for both internal and external dimensions. Durable Construction: Made from high-quality materials to withstand wear and tear in tough environments. Easy-to-Read Display: Clear, easy-to-read scale for quick and accurate measurement interpretation. Smooth Gliding Action: Features precision-machined parts for a smooth, frictionless movement, enhancing accuracy. Corrosion-Resistant: Designed with rust-resistant materials, ensuring durability in various working conditions.