What’s the name of this tool and what is it for

tools

Found this in a box of tools and I have no idea what is called and its purpose, would someone let me know please.

There is a mark on it – T12399

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Best Answer

That is a fixture for repetitively cutting lengths of pipe or rod. The fixture is clamped to a workbench and the pipe is laid into the groove. The V-screw is then tightened to hold the rod. The end is then sawed off. The V-screw is loosened, the pipe/rod is advanced, then the process is repeated.