Fez Hat Kids Multi Function Welding Gauge Inspection Gage Weld Seam Weight Belt For Pull Ups It is made of stainless steel and is characterized by portable and compact structure,easy operation and wide application. It is a welding inspection feet, for a variety of bevel angle detecting weldments, height, width, gap and undercut depth . It applies to checks on boilers, bridges, shipbuilding, pressure vessels and oil pipelines HJC40 Slip Multi-Function Welding Gauge , Checks Weldment thickness The Gauge consists of four components:main scale height gauge undercut depth gauge and multiple-purpose gauge and is specially used for the... The Gauge consists of four components:main scale,height gauge,undercut depth gauge and multiple-purpose gauge and is specially used for the measutement of the bevel angle,heighr,width,gapand undercut depth of weldment,suitable for the detection of boilers,bridges,ships,pressure vessels and oil piles. HJC40 Welding Seam gauge Bead Gage Weld pit test ulnar inspection ruler Checks weld bead height welding