designs for professional repair man and automotive enthusiasts, this tool is essential for engine tuning, maintenance, and upgrades requiring precise spring height verification Engineered for accuracy, the valves Spring Height Micrometer delivers accurate measurements from 1.600 " to 2.200 " with a ±0.001 " tolerance, ensuring best valves spring adjustments for top engine The integrated 0 function allows quick calibration between measurements, while its general compatibility with most valves spring makes it a multifunction addition to any automotive toolkit Crafted from strong black anodized aluminum, this lightweight micrometer features ergonomic handle for comfortable grip and erosion resistant construction, ideal for extended use in demanding automotive environment Perfect for workshop diagnostics or home garage projects, the micrometer ' s small design and included storage case secure easy portability and defense during engine rebuilds or routine valves train inspections, Manufacturer: Oxxggkao