Feature:1. Durable Material: This feeler gauge is made of premium stainless steel and brass material, strong and durable.2. Foldable Design: This blade gauge features foldable design, which is easy and convenient to take and store.3. 32 Blades: This feeler measuring tool possesses 32 blades with dual marked inch and mm size, the numbers of size are clearly etched.4. Accurate Calibration: This feeler gauge set features accurate calibration, equipped with nonslip lock nut.5. Wide application: This blade feeler gauge is suitable for designers, engineers, mechanics to measure the thickness of tappet clearances, spark plugs gaps, bearing clearances and more.Specification:Item Type: Feeler GaugeMaterial: Brass, Stainless SteelColor: Steel ColorInch Size: 0.0015, 0.002, 0.0025, 0.003, 0.004, 0.005, 0.006, 0.007, 0.008, 0.009, 0.010, 0.011, 0.012, 0.013, 0.014, 0.015, 0.016, 0.017, 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 InchMM Size: 0.04, 0.05, 0.06, 0.08, 0.10, 0.13, 0.15, 0.18, 0.20, 0.23, 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 mmProduct Size: Approx. 9.5 x 1.3cm / 3.7 x 0.5in ( Manual Measurement, Slight Error May Exist ).Package List:1 xFeeler Gauge