Multifunctional portable small angle ruler - This metal angle ruler is designed for precise angle setting. By turning the adjusting nut, the tool can rotate through 180 degrees, enabling flexible measurement and layout. Two-arm ruler - Provides precise layout and measurement with clear, accurate readings. The dual-arm design makes it easy to read from multiple angles and positions. Protractor - Reliable performance and ease of use when the reference side is aligned. This large protractor offers a straightforward, readable measurement for accurate results. Arm-equipped protractor ruler - Made with stainless steel for durability and lasting accuracy. This version functions as a goniometer, combining rigidity with precise angle transfer. 2-3 practical use scenarios - Woodworking and cabinetry: set and transfer miter angles for cuts, templates, and joints with high accuracy. - Metal fabrication and assembly: align brackets, plates, and fittings, and transfer bevels or hole patterns with confidence. - Tile, stone, and carpentry projects: mark bevel angles for bevel cuts, scribing, and layout work to ensure consistent results. Key attributes - Function: multifunctional angle measurement, adjustable through 180 degrees, with a two-arm layout and stainless steel variant. - Compatibility and versatility: suitable for woodworking, metalworking, tiling, and general layout tasks requiring precise angle transfer. - Size and construction: compact, portable design; stainless steel version offers corrosion resistance and durability. - Performance: clear scales, easy readability, and reliable operation for accurate angle measurement and layout.