Central Tools 6475 Precision Straight Edge, 18 Inch Elevate your workshop game with the Central Tools Inc 6475 Precision Straight Edge, the machinists and mechanics secret weapon for flawless flatness checks. Make This Essential Tool For: Premium Heat-Treated Steel: Withstands the rigors of professional use, resisting wear and tear. Precision Ground Edges: Delivers unmatched accuracy for even the most demanding tasks. Integrated Hanging Hole: Convenient storage and easy access in your workshop. Engine Overhauls: Confidently measure cylinder head, block, and manifold flatness, ensuring perfect sealing surfaces. Flywheel Alignment: Achieve precise flywheel truing for smoother engine operation and reduced vibration. General Flatness Checks: Verify the straightness of surfaces across various applications, from machine beds to sheet metal. Features: Use with feeler gages to check flatness Check cylinder heads Blocks Manifolds Flywheels 1/4 Inch thick for stability Precision ground for accuracy Straightness is +/- 0.0002 Inch per foot Specifications: Order Part Number: CE6475 Item Description: Precision Straight Edge, 18 Inch Manufacturer: Central Tools Size: 18 Inch Manufacturer Part Number: 6475 Country of Origin: US Harmonization Code: 90173040 Default Selling Unit: EA Invest in quality, invest in precision. The Central Tools Inc 6475 Precision Straight Edge is your gateway to achieving micrometer-level accuracy in your workshop.