Features: This 2 in 1 Woodworking Angles T Square Ruler combines angles measurement and marking capabilities, significantly enhancing your work efficiency. Featuring double metric and British scale for precise marking, this tool is crafted from aluminum alloy with a black or red wear resistant coating, ensuring long time use. Ideal for professional woodworkers, DIY enthusiasts, engineers, and technicians requiring accurate measurements. Perfect for home renovations, woodworking projects, engineering surveys, and any scenario demanding precise marking. With its 30CM or 50CM length, this functional marking gauges caters to various project needs, making it a essential addition to any toolkit. Specifications: Component:Aluminum Alloy Type:30cm/50cm Color:Black/Red 30cm Size:Approx.343x150mm/13.5x5.9inches 50cm Size:Approx.543x150mm/21.38x5.9inches Package Includes: 1Set 2 in 1 Woodworking Angles T Square Ruler note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color. Thanks!