Sterling Dovetail Ruler DTR1

For those that already own a 6″ Starrett Combination Square or other popular 4″ double squares you can purchase just the Dovetail Ruler (DTR-1).

We cannot guarantee that the Dovetailing Ruler will fit ALL other makers squares but it's tried with a handful of other makers 6” combination squares such as Starrett, Goddell Pratt, Brown and Sharpe, Lee Valley, and the dovetailing rule clamped perfectly in both vintage and contemporary squares.

The dimensions of the Sterling Dovetail Rule are: 4″ long, by .330″ tall on the taller end, .090″ on the smaller end and .075″ thick!