Hardened & polished carbon steel. 13 blades: 0.05mm to 1.00mm.
13 Blade Feeler Gauge 0.05 /1.0mm Spark Plug Gap Metric Measuring Tool
13 Blade Feeler Gauge 0.05 to 1.0mm Metric Spark Plug Measure Gap Tool Set
13 Blade Feeler Gauge set Metric Measuring stainless steel gauges 0.05 - 1.00mm
UK 32 Blade Feeler Gauge Dual Reading Combination Feeler Gauge Metric
