Warrior Automatic Weld Size Weld Gauge Fillet Welding Inspection Gage Stainless Steel mm For Accurate Calibration of Butt and Fillet Type Welds 1. To Determine the Size of a Fillet Weld 2. To Check the Permissible Tolerance of Convexity 3.To Check the Permissible Tolerance of Concavity and Underfill 4.To Check the Permissible Tolerance of Reinforcement