Product Description: Quantity: one piece Color: Black Length: 30cm High AccuracyMeasuring range is 0-300mm, double-sided ruler in metric and inch graduations for easy and accurate reading. At the same time, it combines a level bubble, accurately measure balance to improve work efficiency Multi-functional measurementThis ruler can measure a variety of data, such as right angle , 45 angle, length, depth and width. Come with a built-in scriber that makes it easy to mark without a pen High QualityThis adjustable multifunctional ruler is sturdy and durable. The ruler is made of high quality stainless steel and the corner bracket is made of zinc alloy, which guarantees its quality. Widely UsedThis ruler is suitable for measuring, marking, etc., to help you measure accurately. It is widely used in home, engineering measurement, housing construction and other places AdjustableSpring screw and efficient clamping system make it easy to remove and install of the stainless steel ruler, and the smooth ruler also makes it easier to measure by sliding