Feeler Gauge Set Finish Unfinished Blade Length 114 mm Blade Material Steel Blade Style Short Blade Dimension Type Metric Included Certification None Maximum Thickness - mm 5 mm Minimum Thickness - mm 0.04 mm Non-Marring No Number of Feeler Blades 13 Thickness Range 0.04 mm to 5.00 mm Tolerance +/-0.004 mm