【PROFESSIONAL TOOLS】The woodworking square set is an exquisite tool for measuring and drawing, with a precise scale of 180mm metric metal square, accuracy in line with industry regulations, with an absolute angle of 90 degrees and precise scale. This woodworking square set is marked on both sides. There are angles and scales, making it more convenient to use. 【PREMIUM QUALITY】This 7 inch/18mm carpenter square set is made of aluminum alloy, the solid aluminum alloy construction is durable, and the surface has black baking paint, which can prevent oxidation and make it more durable. Multifunctional square ruler. 【WIDE APPLICATIONS】This woodworking square can be used as a protractor, scribe saw guide, construction square, miter, frame square and ruler, what's more, it can be used for measuring angles, checking squares, saw guides, adjusting saw teeth, drawing circles, marking ripping boards. 【PRACTICAL AND CONVENIENT】The woodworking square ruler set can get rid of cumbersome measurements