Feeler Gauge Set Finish Unfinished Blade Length 100 mm Blade Material Steel Blade Style Short Blade Dimension Type Metric Included Certification Certificate of Inspection Maximum Thickness - mm 1 mm Minimum Thickness - mm 0.05 mm Non-Marring No Number of Feeler Blades 28 Thickness Range 0.05 mm to 1 mm Tolerance +/-0.004 mm Blade Width 13 mm Color Silver Holder Material Steel Included Blades 0.05 mm to 0.3 mm by 0.05 mm 0.4 mm to 1 mm by 0.1 mm Locking Device Yes