Check the listing for details. Lang 5pc Master Feeler Gauge Set for Ignition Spark Plugs Valve Tappets etc. USA. Condition: New. Listed at 44.99 USD. A True MASTER’s feeler gauge set with a huge variety of blade sizes. Take good care of these and never buy feeler gauges again! All Our Tools MADE IN USA!36 Blade Feeler Gauge (Brass & Steel) Contains: Thirty Steel and Six Brass Blades - 3" x 1/2" with Thicknesses: .002, .0025, .003, .004, .005, .006, .007, .008, .009, .010, .011, .012, .013, .014, .015, .016, .017, .018, .019, .020, .021, .022, .023, .024, .025, .026, .028, .030, .032, .035Brass Blade Thicknesses: .006, .008, .010, .012, .014, .016 With Metric Printed Equivalents 26 Steel Blade Offset Gauge: Includes 26 Blades1/2” Wide by 4” Length (1" offset)Sizes:.005, .006, .007, 008, .009, .010, .011, .012, .013, .014, .015, .016, .017, .018, .019, .020, .021, .022,.023, 024, .025, .026, .027, .028, .029, .030, (.13 to .76mm) Mini Feeler/Ignition Gauge: Contains: Seventeen - 1-3/4" x 1/4" blades with thicknesses: .010, .012, .013, .015, .016, .017, .018, .019, .020, .022, .024, .025, .026, .028, .030, .032, .035 For ignition and general purpose measuring Both decimal and metric equivalent are permanently etched on each blade. Wire Gauges: - 1.02, .889, .863, .813, .762, .711, .635, .508 -mm Spark Plug Gauge Large: - Wire Gauge Sizes .040, .044, .045, .050, .060, .080 Spark Plug Gauge Small: - Wire Gauge Sizes .025, .030, .034, .035, .040, .045 Orange Vinyl Pouch Set Made in US of US and German Steel