Wright Tool 9530 25-Blade Master Feeler Gauge Master feeler gauge 25 blades per one pack Dimensions are 3 5/16 by 1/2 inch blades Blades of .0015 .002 .003 .004 .005 .006 .007 .008 .009 .010 .011 .012 .013 .014 .015 .016 .018 .020 .022 .024 .025 .028 .030 .032 .035 inches