30cm Protractor Triangle, Triangular Ruler, Carpenter's Square, Professional Metric Triangle for Joinery, Angle Ruler

Metric Triangle Ruler: Includes one 30cm metric triangle ruler with a matte black finish to prevent glare. It is corrosion-resistant, durable, and not easy to break. There are no sharp edges, so it won't hurt your hand.

Superior Quality: The metric square is made of high-quality aluminum alloy, offering high hardness, strong toughness, and resistance to rust.

Widely Used: This carpenter's square can be used as a protractor, miter gauge, line-marking saw guide, framing square, and ruler, making it ideal for all construction and renovation projects.

Easy to Mark Your Cutting Lines: This triangular ruler features a thicker edge design and can be used directly with the saw against the square for crosscuts or bevel cuts using the engraved protractor scale. This allows you to quickly and accurately mark your cutting lines.