Tools Powerbuilt | Powerbuilt 24-Blade Combo Tune-Up Gauge 648518

For Measuring A Variety Of Clearances. Gauge Set Containsflat And Wire Loop Blades, Non-Magnetic Brass Blades Andspark 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 Bladesinclude: 0.025, 0.030, 0.034, 0.035, 0.040, 0.045. Flatblades Have Metric And Standard Measurements Onblades. Meets Fed Spec. Ggg-G-17C.