Stanley J00MM25 Proto 25 Blade Metric Feeler Gauge Set 1/2-inch x 3-5/16-inch metric blades in steel holder. Sizes: 0.04mm, 0.05mm, 0.06mm, 0.07mm, 0.08mm, 0.09mm, 0.10mm, 0.15mm, 0.20mm, 0.25mm, 0.30mm, 0.35mm, 0.40mm, 0.45mm, 0.50mm, 0.55mm, 0.60mm, 0.65mm, 0.70mm, 0.75mm, 0.80mm, 0.85mm, 0.90mm, 0.95mm, 1.00mm. Twenty-five blade metric feeler gauge set 0.22-lbs Weight.