648518 Combo Tune-Up Gauge


For measuring a variety of clearances. Gauge set contains flat and wire loop blades, non-magnetic brass blades and spark plug gap adjusting tool. Steel blades include: 0.010, 0.012, 0.015, 0.016, 0.017, 0.018, 0.019, 0.020, 0.022, 0.024, 0.025, 0.026. Brass blades include: 0.006, 0.008, 0.010, 0.012, 0.014, 0.016. Wire loop blades include: 0.025, 0.030, 0.034, 0.035, 0.040, 0.045. Flat blades have metric and standard measurements on blades. Meets Fed Spec. GGG-G-17c.

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