Feeler Gauge, Blade Length 12 in, Blade Material Steel, Blade Style Long Blade, Blade Width 1/2 in, Dimension Type Inch, Non-Magnetic No, Thickness 0.0200 in, Finish Uncoated, Hardness RC 48-62, Markings Inch, Standards FED-GGG-G-17C, Tolerance +/-0.00055 in, Package Quantity 12