• Hardened and tempered high quality steel blades.
• Marked in both standard and metric sizes.
• Knurled lock nut for easy blade selection.
• SAE & Metric Tappet Sizes: .004" / .102mm
• Tappet Blade SAE Sizes: .004, .005, .006, .007, .008, .009, .010, .012, .013 and .015"
• Tappet Blade Metric Sizes: .102, .127, .152, .178, .203, .229, .254, .305, .330 and .381 mm
• Ignition Blade SAE Sizes: .012, .015, .018, .020, .022, .025, .030 and .040"
• Ignition Blade Metric Sizes: .305, .381, .457, .508, .559, .635, .762 and 1.02 mm
(California Prop 65)