- Contains: Twelve - 4" x 1/2" blades with thicknesses .008, .010, .012, .013, .014, .015, .016, .018, .019, .020, .025, .026.
- Blades have 1" 45O offset for checking valve clearances
- For ignition and general purpose measuring
- The sizes, both decimal and metric equivalent, are permanently etched on each blade.
