Description: Multifunctional Ruler: This combination square ruler is able to measure length and angles easily, and meet your work needs at the same time, saving time and effortPremium and Reliable: The Sliding Combination Square Ruler and Protractor is made of aluminum alloy material, which is lightweight, and sturdyAdjustable: The woodworkings ruler features an adjustable sliding block, making it easy to operate and providing measurements for your woodworkings projects, allows for measurements from multiple angles up to 360 degreesPrecision Scale Line: The scale line of this carpenter ruler is manufactured with good technology, which makes the scale especially clean, and accurateApplication: The Level Measure Measuring Tool is suitable for engineering, measurement, drawing, architectural design, craftsmen, designers, artists, and engineers Specification: Material: Aluminum Alloy Package Includes: 1Combination Square Ruler Note: Please allow slightly errors 1-2cm differences due to manual measurement.