Features: The Multi Angles Folding Ruler with 6 fold offer precise measurements for complex construction layouts, featuring adjustable aluminum alloy joints and three hole positioning systems for enhanced versatility. Engineered with clear scale and quick lock knurled nut, this lightweight measuring tool ensures operate and angles fixation across 0-180° applications. Ideal for tile installers, carpentry professional, and enthusiasts requiring millimeter accuracy in marking and drilling tasks. Perfect for bathroom renovations, glass panel installations, and outdoor construction projects. Its oversized nut and aluminum construction deliver industrial grade durability for repeated use in dusty or humid worksites. Specifications: Component: Aluminum Hole Diameter: 90mm/3.54in, 50mm/1.96in, 80mm/3.14in Size: about. 170mm/6.7in Package Includes: 1pc Angles Measure Ruler note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.