32 Blade Feeler Gauge Tool – .0015″ (.038mm) to .035″ (.889mm) 32 Blade feeler gauge tool. The fins range in thicknesses from .0015″ (.038mm) to .035″ (.889mm). A must for anyone who does valve work on their bike. Has readings in both metric and standard 32 Blades that are 3.5″ long .010 Brass blade for transistorized ignitions Always wear safety glasses Performance Tool part number: W125C 4into1motorcycleparts • Store Policies