Features: 4 in 1 Multi Function Measuring Tool: Combines straight border, protractor, inclinometer, and square for complete measuring, marking, positioning, and corner calibration, enhancing efficiency in diverse tasks. Adjustable corner Feature: Aluminum corner mechanism enables 0 180° flexible adjustment to precisely indicate angled lines, drill points, and beveled edges, improving accuracy in professional settings. Space Saving and Practical: Clear gradations allow accurate marking on various surfaces like wood, metal, and plastic, with collapsing design for easy storage and portability. Multi Purpose Application: Ideal for cabinet hardware setup, hinge alignment, drawer hole marking, and excellent for carpentry, renovation, and craft projects, allowing combined drilling and marking functions. Sturdy Aluminum Construction: Robust build maintains measurement consistency under heavy use, resistant to wear and maintaining shape through prolonged demanding applications. Specifications: Substance: aluminum alloy Product size: 65x5x36.5X6cm (particulars as shown) Usage: positioning, carpentry, decoration, crafts and other operations Package Includes: T-shaped rulerx1 note: Pay attention to the storage methods.