Features: This accuracy screw pitches gauge set, crafted from strong 410 stainless steel, ensures accurate thread and diameter measurements for stable results, eliminating errors from wear prone plastic alternatives. Featuring 10 individual gauges with broad size compatibility, this multifunctional tool offer comprehensive coverage for various screw dimensions, enhancing versatility in measurement tasks. Ideal for engineers, enthusiasts, and professional technicians who demand high accuracy in their accuracy measuring work for consistent outcomes. Perfect for home repairs, workshop assemblies, and humid environments where erosion resistance and durability are essential for long term use. Each gauge includes clear size markings for quick identification, and the compact, lightweight design ensures easy portability and storage, boosting efficiency for on the go professional. Specifications: Component : 410 stainless steel Size: about 10x5cm/4x2inch Package Includes: 10xScrew Measuring Ruler note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.