【Multipurpose】 Useful for carpentry, steel fabrication, roof plumbing, designing, architecting, engineering, etc 【Multifunction】 Combines the functions of a combination square, protractor, digital level, bevel tool, and speed square among others in one compact tool 【Precise Measuring】 Accurate and precise with clear indicators. Measuring ruler slides and locks into any desired angles saving you time from repetitive measuring 【Convenient】 Suitable for marking birdsmouth depth, plumb cuts, seat cuts, etc. without changing the configuration 【Premium Quality】 Made of high-quality material Features: Provides extreme cutting accuracy, with an accurate scale The triangle ruler above the scale can be flexibly moved and adjusted. It can be rotated to any angle you need and then fixed to avoid errors Easy to use and flexible, making the tool very convenient for anyone Specifications: Scale Specification: Metric & imperial Accuracy: 1 mm Length Measuring Range: 0 - 350 mm (0 - 13.7 in) Angle Measuring Range: 0 - 50°