Electronic Welding Gage, Display Units of Measure Degree, Inch, Millimeter, Measurement Functions Angle of Preparation, Crown Height, Fillet Weld Throat Size, Unit of Measure Increments 1/100 mm, 1/2000 in, Battery Size LR44, SR44, Features On/Off Battery, Tool Material Stainless Steel, Tool Type Electronic Welding Gage