Superb Marking Gauge.
Lovely patina and feel to this tool. Still works well.
Approx 10 ½ inches overall length.
The largest Nut is approx 3 inches in diameter. Smallest nut 2 inches.
Thrread is free of large chips, however small imperfections as one would expect througout length.
This type of gauge is typically known as being Scottish.
Rare to find such a wonderful old tool .