Contains twenty-six 4" x 1/2" with thicknesses: 0,005; 0,006; 0,007; 0,008; 0,009; 0,010; 0,011; 0,012; 0,013; 0,014; 0,015; 0,016; 0,017; 0,018; 0,019; 0,020; 0,021; 0,022; 0,023; 0,024; 0,025; 0,026; 0,027; 0,028; 0,029 and 0,030Made of tempered 1095 spring steelEquipped with knurled lock-nut, which releases the blades instantly for rapid selection of size desired and when tightened locks the individual blade onto the working position, retaining the blades not in use firmly to handle4" long blades have 1" 45° offset for checking valve clearancesThe sizes, both decimal and metric equivalent, are permanently etched on each bladeMade in the U.S.A.
