The grey Swanson Speedlite Level Square combines a rafter/framing square, protractor, try/miter square, and saw guide into 1 tool. Manufactured from lightweight, high impact polystyrene, the 8-inch Speedlite Level Square won't scratch surfaces and has a built-in block level that is easy to read from all angles. It also features a center line guide for locating the center of round stock, and comes with a 1-year limited manufacturer's warranty.