Feature:1. RUGGED AND DURABLE: 48in stainless steel woodworking ruler and heavy duty aluminum protractor combine woodworking squares to ensure durability while providing accurate measurements2. 2 SCALES: 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 need3. ACCURATE AND CLEAR: 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 blur4. EFFICIENT AND TIME SAVING: The angle of the miter saw can be read directly, which effectively improve the efficiency of woodworking and save time5. TWO IN ONE DESIGN: 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 of the user, and accurately mark where needed. Woodworking ruler can measure length(0‑120cm/0‑48inches). Whether you are drawing lines or measuring angles, can meet your work needs at the same time, saving your time and laborSpecification:Item Type: T Square RulerMaterial: Aluminum alloyRange: 120cm.Package List:1 x T Square Ruler