Feeler Gauge Set Finish Unfinished Blade Length 3 in Blade Material Steel Blade Style Short Blade Dimension Type Inch Included Certification None Maximum Thickness - Inch 0.040 in Minimum Thickness - Inch 0.0015 in Non-Marring No Number of Feeler Blades 25 Thickness Range 0.0015 in to 0.04 in Blade Width 1/2 in Color Silver Holder Material Steel