Thread Measuring Gauge, Measures Bolts, Inch and Metric Thread Pitches, Nuts, Screws, Overall Length 37 in, Width 3.3 in, Thickness 0.9 in, Material Aluminum, Finish Zinc Plated, Range 1/4 in-20, 1/4 in-28, #10-24, 3/8 in-16, 3/8 in-24, 5/16 in-18, 5/16 in-24, 7/16 in-14, 7/16 in-20, #8-32, 1/2 in-13, 1/2 in-20, 4 mm to 12 mm, #6-32, #10-32, Product Type Measuring Gauge, Height 32.5 in, Language English, Minimum Wire Diameter 0.06 in, Properties Not Applicable, Maximum Wire Diameter 0.25 in