- Contains: Twenty-six - 4" x 1/2" with thicknesses .005, .006, .007, .008, .009, .010, .011, .012, .013, .014, .015, .016, .017, .018, .019, .020, .021, .022, .023, .024, .025, .026, .027, .028, .029, .030 - Blades have 1" 45O offset for checking valve...
