【High precision】The measuring range is 0-300mm, double-sided ruler with metric and inch graduations for easy and accurate reading. At the same time, it has a spirit level that accurately measures the balance to improve work efficiency 【Multifunctional measurement】This ruler can measure a variety of data such as right angle, 45° angle, length, depth and width. Equipped with a built-in scriber that allows easy marking without a pen 【High quality】This adjustable multi-function 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. 【Widespread】This ruler is suitable for measuring, marking, etc. to help you measure accurately. It is widely used in household, engineering measurement, housing construction and other places【Adjustable】The spring-loaded screw and efficient clamping system make the stainless steel ruler easy to remove and install, and the smooth ruler also facilitates sliding