Proto J000AA 25 Blade Master Feeler Gauge Set
https://www.sawab.app/shop/j000aa-proto-j000aa-25-blade-master-feeler-gauge-set-1136
https://www.sawab.app/web/image/product.template/1136/image_1920?unique=48219da
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1/2" x 3" blades in steel holder.Sizes: .0015" thru .040" except .019".Blades etched with both decimal size and metric equivalent.