Lkonwee Small Square and Center Finder, Versatile Woodworking Tool with 11/32" Center Marking Hole, Woodworking Center Scribe Square Center Scribe, Marking Center Finder

The square allows you to use the provided pins to center mark boards. Quick and easy, no measuring needed. If you are looking to make piston fit items, this square can help you do it. Not only are they absolutely perfectly accurate, but the build quality is superb. This tool can easily check that the board edges are square to the face and make adjustments if needed. It doubles as a center finder for small/narrow boards is a major plus (the pencil hole even fits a regular #2 Ticonderoga pencil, no special mechanical pencil needed). Has been useful for drawing lines like a saddle square and squaring up plane blades. It very handy for small projects，easy to use and super accruate，small enough that it is perfect for an apron pocket.