Metric Imperial Welding Gauge Biting Edge Undercut Inspection Height Depth Weld Gage Inch mm Features: Welding gauge measure weld reinforcement height and undercut depth in Metric The gauge also can check the size and quantity of pit in unit size Adopted of laser engraving, clear marking, accurate reading and stable wear-resisting The undercut gauge is made of stainless steel, not easy to rust, effectively extending the service life Packed in synthetic leather bag for storage and transportation ,and better of environmental protection Funciton: 1. CHECKS UNDERCUT DEPTH 2. CHECKS AMOUNT OF POROSITY PER LINEAR INCH 3. CHECKS POROSITY COMPARISON 4 CHECKS CROWN HEIGHT Specification: Size: 120mm * 32mm Material: stainless steel Item Package Quantity: 1 piece thickness: 0.93mm Undercut depth:0-6mm Weld Height:0-6mm Package included: 1 * Welding Gauge 1 * PU Bag 1 * instruction