Stainless steel hardness, low density, tensile wear. ? High accuracy, good elasticity, high strength, high rust resistance. ? Each foot sheet surface is marked with specifications, clear, easy to use. ? suitable for machinery and equipment manufacturing automotive air conditioning compressor manufacturing. ? Portable and easy to use. Specifications: ? Material: stainless steel ? Scales Engraving Type: Laser Engraving ? Weight: 100g ? Size in Inch: L x W : 3.70'' x 0.51'' ? Size in Metric: L x W : 94mm x 13mm ? Transition: 1cm=10mm=0.39inch ? Measuring range: - Blade thickness: 0.04mm(.0015), 0.05mm(.002), 0.06mm(.0025), 0.08mm(.003), 0.10mm(.004), 0.13mm(.005), 0.15mm(.006), 0.18mm(.007), 0.20mm(.008), 0.23mm(.009), 0.25mm(.010) 0.28mm(.011), 0.30Smm(.012), 0.33mm(.013), 0.35mm(.014), 0.38mm(.015), 0.40mm(.016), 0.43mm(.017), 0.45mm(.018), 0.48mm(.019), 0.50mm(.020), 0.53mm(.021), 0.55mm(.022), 0.58mm(.023), 0.60mm(.024), 0.63mm(.025)