Comparison : Item # MMT-4, 0.040 Millimeter (mm) Thickness Steel Metric Feeler Gage Coil
Item # MMT-5, 0.050 Millimeter (mm) Thickness Steel Metric Feeler Gage Coil
Item # MMT-6, 0.060 Millimeter (mm) Thickness Steel Metric Feeler Gage Coil
Item # MMT-7, 0.070 Millimeter (mm) Thickness Steel Metric Feeler Gage Coil
Item # MMT-8, 0.080 Millimeter (mm) Thickness Steel Metric Feeler Gage Coil