Smooth and Beautiful Finish: Each angle is polished to a smooth finish that prevents damage to workpieces and hands, offering a safe, comfortable touch during use. Longlasting Durability: Clear scale remains readable through wearresistance and nonfading performance for extended use. Improve Work Efficiency: Multifunction triangular ruler and protractor provide accurate measurements for angles and lengths, helping you complete tasks with reliability and speed. Convenient Conversion Table: An attached conversion table enables quick and easy measurement readings without searching for reference data. Use in woodworking and carpentry: Mark bevels, measure angles for cuts, and lay out joints with confidence on boards and timbers. Use in technical drawing and design: Create precise angles and layouts for drafting, architectural sketches, and model construction. Use in DIY and home projects: Plan tile layouts, furniture fittings, and enclosure designs with fast, accurate measurements.