This professional-grade 24-inch precision steel straight edge is an essential measuring tool for automotive enthusiasts and mechanics. Crafted from high-quality steel, this robust straight edge delivers exceptional accuracy for checking cylinder head and engine block surfaces. The substantial length allows for comprehensive measurements across larger engine components, while its precise machining ensures reliable readings every time. The tool comes housed in a durable blue protective case that keeps it safe during storage and transport. Perfect for both professional mechanics and serious DIY enthusiasts, this straight edge helps identify warpage, distortion, or irregularities in critical engine components. The sleek design features convenient measuring slots and maintains its accuracy over repeated use. Whether you're rebuilding engines or performing routine maintenance, this precision measuring tool provides the reliability and accuracy needed for professional-quality results.