SPCTools 28A Gas Engine Ignition and Tune-Up Feeler Gauge

The Specialized Products 28A Stainless Steel Tune-Up Gauge is used for ignition and general purpose measuring - accurate clearances on distributer points, spark plugs, valve tappets, break bands, pistons and other applications. The sizes, both decimal and metric equivalent, are permanently etched on each blade. Included: 9 straight 3" x 1/2" blades (0.002", 0.003", 0.004", 0.006", 0.008", 0.012", 0.013", 0.020", 0.025"), 5 straight spark plug 1" x 1/4" blades (0.025", 0.030", 0.035", 0.040", 0.044"), steel ruler, and electrode adjusting tool.