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