["Metric Imperial Welding Gauge Biting Edge Undercut Inspection Height Depth Weld Gage Inch mm\n\nFeatures:\nWelding gauge measure weld reinforcement height and undercut depth in Metric\nThe gauge also can check the size and quantity of pit in unit size\nAdopted of laser engraving, clear marking, accurate reading and stable wear-resisting\nThe undercut gauge is made of stainless steel, not easy to rust, effectively extending the service life\nPacked in synthetic leather bag for storage and transportation ,and better of environmental for protection\n\nFunciton:\n1. CHECKS UNDERCUT DEPTH\n2. CHECKS AMOUNT OF POROSITY PER LINEAR INCH\n3. CHECKS POROSITY COMPARISON\n4 CHECKS CROWN HEIGHT \n\nSpecification:\nSize: 120mm * 32mm\nMaterial: stainless steel\nItem Package Quantity: 1 piece \nthickness: 0.93mm\nUndercut depth:0-6mm\nWeld Height:0-6mm\n\nPackage included:\n1 * Welding Gauge\n1 * PU Bag\n1 * instruction"]