The Moore & Wright 44 Protractor Type Depth Gauge Metric/Imperial has the following specifications:
Size of Base: 79mm/3.11in.Width: 5.5mm/0.22in.Thickness: 1.0mm/0.04in.Length of Blade: 195mm/7.68in.
Metric/Imperial Scale Graduations : Front Face: 1/32nd, Rear Face: 1.0mm.