Made of lightweight aluminum, corrosion and oxidation resistant This saddle square is ideal for marking as well as checking angles. There is no need to reverse the body when measuring, simply slide to mark the right and left 45-degree angle. Clear figure scale printed, easy to read. Suitable for household woodworking, convenient to use. Package Included: 1 x Angle Square Ruler (Red), 2 x Woodworking Pencils