Feeler Gauge Set Finish Unfinished Blade Length 3 1/32 in Blade Material Steel Blade Style Short Blade Dimension Type Inch Included Certification None Maximum Thickness - Inch 0.025 in Minimum Thickness - Inch 0.0015 in Non-Marring No Number of Feeler Blades 26 Thickness Range 0.0015 in to 0.025 in Tolerance +/-0.00025 in