L-Shaped Design : Quickly and accurately measure both inside and outside angles with our precision-engineered metal ruler, designed to fit perfectly in any carpenter's toolkit. High Hardness Stainless Steel : Constructed from premium tool steel, this ruler boasts superior hardness, resisting wear and ensuring longevity. Dual Angle Design : Our dual-scale feature allows for versatile measurement, ideal for various woodworking tasks including door and window framing. Red Black Color Mark : The contrasting red and black markings enhance readability, making it easier to take accurate measurements in any lighting condition. Layout Tool : Perfect for professional carpenters and diy enthusiasts alike, this ruler simplifies the process of layout and measurement. Crafted for the discerning craftsman, this L-shaped metal ruler is not just a tool but a companion in every project. With its robust construction and thoughtful design, it's a must-have for anyone seeking precision and reliability. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.