Description: Professional feeler gauge for commercial or occasional use, Manufactured from steel for strength and durability. Dual marked (metric and inch), High quality feeler gauge marked in both metric and inch measurements. Popular for spark plug s, valve clearances etc. Also suitable for ignition points, spark plug and tappets. Offset feeler gauge for access into restricted areas. Specification: Material: 304 Stainless Steel Color: As picture shown Size: Approx. 18.5cm/7.28inch Metric: 0.127, 0.152, 0.178, 0.203, 0.229, 0.254, 0.279, 0.305, 0.33, 0.356, 0.381, 0.406, 0.432, 0.457, 0.483, 0.508, 0.533, 0.559, 0.584, 0.61, 0.635, 0.66, 0.686, 0.711, 0.737, 0.762 mm Inch: 0.005, 0.006, 0.007, 0.008, 0.009, 0.01, 0.011, 0.012, 0.013, 0.014, 0.015, 0.016, 0.017, 0.018, 0.019, 0.02, 0.021, 0.022, 0.023, 0.024, 0.025, 0.026, 0.027, 0.028, 0.029, 0.03 inches Fold away configuration for easy storage and transportation. Package Includes: 1 Piece Feeler Gauge Note: (1) It is not allowed to bend the feeler gauge sharply during the measurement process, or to insert the feeler gauge into the detected with a large force, otherwise the accuracy of the measuring surface of the feeler gauge or the surface of the part will be damaged. (2) After use, wipe the feeler and clean it with a thin layer of industrial , then fold the feeler back into the frame to prevent corrosion, bending, deformation and damage. (3) When storing, do not place the feeler gauge under heavy objects to avoid damage to the feeler gauge.