An unusual tool in my experience, the bevel/square probably has an English origin, although there are no marks. In the form of a typical try square, this one has a fixing thumb screw that allows the 6” brass blade to be rotated through an angle of about 250 degrees so it can be set at right angles left and right, as well as at a wide variety of bevel angels. The blade is thin brass, and is graduated to ¼, with hand stamped number. The blade is a little wavy and has some dings. There is some wear to the front of the wood handle, which is otherwise bound in brass. It is an interesting and potentially useful tool. Easily Good.