Item Name: Both Inch Stainless Steel Test Ulnar Welding Gauge Gage Welder Inspection Gauge. Measures internal misalignment of pipe before and after tacking. Measurements read in standard one side, and metric on the opposite side.Features: High & low welding gauge both standard and Metric reading.Changes from standard to metric simply remove gauge body, turn scales over and replace body Measure internal misalignment.Measure fit- up gap Measure bevel on end preparation Measure height of welds Measure fillet weld size Measure scribed line, socket welds.Made of high quality stainless steel, durable & long time service.Specification: Material: Stainless SteelLength: 15.8cm/6.2inAccuracy: 1mmMeasuring range0-32mm Package Includes: 1x Welder Inspection Gauge note: Please allow 1-3cm error due to manual measurement.