1.Two In One DesignWoodworking Square Ruler. Building protractor with ruler and angle measurement function. The woodworker can measure the angle of 90 or 45 degrees or so according to the needs, and accurately mark where needed. Woodworking ruler can measure length(0120cm/048inches). Whether you are drawing lines or measuring angles, it can meet your work needs at the same time, saving your time and labor. 2.2 ScalesCarpenter Square Tool. Available in both imperial and metric scales(mm). If you are looking for an accurate and durable angle measuring tool, an aluminum protractor is just what you need. 3.Accurate And ClearAdjustable T Square. The combined square stainless steel ruler adopt laser calibration, deep etching, wear resistant, clear and easy to read, and can be used for a long time. The structural protractor feature a high accuracy laser engraved dial with clear white markings that contrast with the red background, easy to read and less prone to wear and blur. 4.Rugged And Woodworking Ruler. 48in stainless steel woodworking ruler and heavy duty aluminum protractor combine woodworking squares to ensure durability while providing accurate measurements. The angle of the miter saw can be read directly, which effectively improve the efficiency of woodworking and save time.