Wilde Tool Company Wilde Master Feeler Ignition Gauge 25 Blades .0015 to .035 Made in the USA «All Wilde Tools Come with a Life Time Warranty» This is a True MASTER GAUGE SET made by Wilde Tool Company in the USA. Details: Includes 25 Blades. Unit is 1/2″ wide by 3″ in Length. Shim Stock Spring Steel Sizes: .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 In addition, each Blade also has the MM size on it. Quality Made American Tools for your Tool Chest. Please check out our other Mechanic Tools. Thank you for looking!