Weld size are the main scale, height gauge, undercut depth of four feet and multi-scale parts, welding inspection is a foot, used to detect various weldments bevel angle, height, width, clearance and undercut depth. For boilers, bridges, shipbuilding, pressure vessels and oil pipelines of checks. Also applies to the measurement of parts requiring high quality welding. 
 This product is made of stainless steel, reasonable structure, beautiful appearance, easy to use, wide measurement range. 



 Measurements show the value of tolerance range 
 In level 0-15mm 0.2mm 
 Fillet height 0-15mm 0.2mm 
 Fillet weld thickness 0-15mm 0.2mm 
 Width 0-60mm 0.3mm 
 Weld undercut depth 0-5mm 0.1mm 
 Weldment groove angle 80 ° -160 ° 30 ' 
 Gap sizes 0.5-6mm 0.1mm