Combination gauge 32 dual marked 100mm blades, hardened and polished for long accurate life. Each blade is marked with its size and folds into a plated steel case with thumbscrew. Features and BenefitsBlades: dual marked, metric (0.03-1.0mm) and imperial (0.001-0040")100mm long taper blades, hardened and polished for long accurate life Contents 32 x Metric measurements: 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09, 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, 0.45, 0.50, 0.55, 0.60, 0.63, 0.65, 0.70, 0.75, 0.80, 0.85, 0.90 and 1.00. 32 x Imperial measurements: 0.001, 0.0015, 0.002, 0.0025, 0.0028, 0.003, 0.0035, 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, 0.018, 0.020, 0.022, 0.024, 0.025, 0.026, 0.028, 0.030, 0.032, 0.034, 0.035 and 0.040".