High Accuracy Measuring 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 Multifunctional Measurement This ruler can measure a variety of data, such as right angle, 45 angle, length , depth and width. Comes with a built-in scriber that makes it easy to mark without a pen High quality This adjustable multifunctional ruler is sturdy and durable. The ruler is made of high quality stainless steel and the angle bracket is made of zinc alloy, which guarantees its quality. Widely Used This 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 Adjustable Spring-loaded screw and effective clamping system make it easy to remove and install the stainless steel ruler, and the smooth ruler also facilitates sliding measurement 300 mm multifunctional combination square Made of stainless steel, Angle measurement from 0-180 degrees, marking with scriber, carpenter and spirit level. is an indispensable carpenter's square. An All-in-One Ruler This carpenter's square can be used separately, such as a ruler, spirit level, etc. is a multifunctional carpentry tool. Finished and precise square The ruler associated with the cursor makes it easy to transpose a constant dimension to make a series of holes. The engravings are clear, easily readable during use. This precision tool allows you to carry out carpentry work much more easily with the ruler + square pair, so fewer errors! Angles are widely used in these works!