Features and Benefits:

• Contains: Sixteen - 4" x 1/2" blades with thicknesses .005, .006, .007, .008, .009, .010, .011, .012, .013, .014, .015, .016, .017, .018, .019, .020
• 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.