Pocket Welder Helper was developed with the Welder in mind. It has common tools we use everyday. Pocket Welder Helper now has METRIC measurements. Tools for Welders: Weld Settings. Aluminum Filler Alloy Guide. Stainless Steel Filler Alloy Guide. Cutting Tip Chart. Sheet Metal Thickness Chart. Welding Joints. Tools for Pipe Fitters: Pipe Offset Calculator.