The Techni-Pro 39-530 is a feeler gauge with 26 blades. Our Jensen hand tool products have merged with the brand, Techni-PRO. All the product specifications and functionality remain the same.
Blade sizes are: .0015, .002, .0025, .003, .004, .005, .006, .007, .008, .009, .010, .011, .012, .013, .014, .015, .016, .017, .018,.019, .020, .021, .022, .023, and .025 inches. And .038, .051, .064, .076, .102, .127, .152, .175, .263, .229, .254, .279, .305, .330, .356, .381, .406, .432, .451, .483, .508, .533, .559, .584, .610 and .635mm.