This multifunctional adjustable woodworking triangle ruler is a versatile 2-in-1 tool that acts as a miter, protractor, marking saw guide, and T-square. CNC-machined from durable aluminum alloy, it features a movable arm that adjusts from 0° to 180°, allowing for precise angle positioning and layout. The laser-etched metric scales and specialized scribing notches provide high accuracy for measuring and marking, making it an essential tool for carpenters, engineers, and DIY enthusiasts