High Quality MaterialWORKPRO Adjustable Multi-Function Ruler is sturdy and durable. The ruler is made of high quality stainless steel, and the angle bracket is made of zinc alloy to ensure that it will not rust, deform or break Ruler for accurate reading. At the same time, combined with horizontal bubbles, precise measurement balance improves work efficiency Multi-function measurementThis ruler can measure various data, such as right angle, 45 angle, length, depth and width. Built-in scriber for easy marking without a pen Adjustable DesignSpring-loaded screws and efficient clamping system make it easy to remove and install the stainless steel ruler, and the smooth ruler also Convenient sliding measurement Widely usedThis ruler is suitable for measuring, marking, etc., helping you to measure accurately. Widely used in home, engineering surveying, housing construction and other places