DeWalt Premium Rafter SquareIdeal for use as a saw guide, the rafter square has an extra thick aluminum body for heavy duty use as well as stamped in contrasting color graduations for better readability. It also features a large base to provide grip on materials. 7" and 12" Stamped in contrasting color graduations for better readability Extra thick extruded aluminum body holds up to heavy duty use, ideal for use as saw guide Large base helps provide better grip on materials