HIGH QUALITY: This valve adjusting tool is made of manganese steel, very hard material, wear-resistant and durable, not easy to deform, can be used for a long time, very hard workers. 39;maintenance and surveyors use it in different situations.Accurate measurement: the thickness gauge contains measuring steel plates of different sizes, and the thickness of each plate of different sizes. 39; steel is made with precision, which can be applied to different distances under different conditions and can measure different spacing distances accurately. It has high precision and can improve the accuracy of your work Clear Labeling: The data on each part of this valve setting tool is very clearly labeled and not worn. When you measure, you can see clearly at a glance, reduce work mistakes and improve your work efficiency Widely Used: These thickness gauges can be widely used in a variety of automotive parts, valve clearances and cutting edge clearances, from musical instruments to electric motors. These feeler gauges are very suitable for precise measurement of the distance between two objects or parts. Convenient to Carry: These feeler gauges have a foldable design. After folding, it is very small and light. You can take it with you. You can put it in your jacket pocket or hang it on your keychain with the key ring, it's not easy to lose it.Specifications:Material: Manganese SteelDensity Gauge 32 blade thickness: Sizes in inches: 0.0015, 0.002, 0.0025, 0.003, 0.004, 0.005, 0.006, 0.007, 0.008, 0.009, 0.010, 0.010, 0.011, 0.012, 0.013, 0.0145, 0.0145, 6, 0.0145 , 0.018, 0.019, 0.020, 0.021, 0.022, 0.023, 0.024, 0.025, 0.026, 0.028, 0.030, 0.032, 0.035. Sizes in metric (mm): 0.04, 0.05, 0.06, 0.08, 0.10, 0.13, 0.15, 0.18, 0.20, 0.23, 0.25, 0.25, 0.28, 0.30, 0.33, 0.35, 0, 38, 0.40, 0.43, 0.45, 0.48, 0.50, 0.53, 0.55, 0.58, 0.60, 0.63, 0.65, 0.70, 0.75, 0.80, 0.88. 16 Blade Feeler Gauge: Sizes in Metric (mm): 0.127, 0.152, 0.178, 0.203, 0.229,0.254, 0.279, 0.305, 0.330, 0.356, 0.381 , 0.406, 0.432,0.457, 0.483, 0.508.Package Include:1 x 32 Blade Feeler Gauge1 x 16 Blade Feeler GaugeNote:Not suitable for children under 3 years old.N Remember to apply lubricating oil after use, it is more rust-resistant and durable.