Metric Triangle Ruler: Include 1pc 30cm metric triangle ruler, with matte black finish to prevent glare, corrosion resistant and durable, not easy to break. No sharp edges at all, no will not hurt your hand. Top quality: The metric square chevron, chevron square made of high quality aluminum alloy, high hardness, strong toughness, not easy to rust. Widely Used: This carpenter's square can be used as a protractor, miter, line saw guide, framing square and ruler, ideal for all construction and renovation projects. Easy to mark your cutting lines: this triangular ruler uses a thicker edge design, can be used directly with the saw against the square for cross cuts or angled cuts using the engraved protractor scale, allowing you to mark quickly and accurately your cut lines on your stringers. Any problems, contact us and our after-sales team will solve your problems as soon as possible. Feture 1) Laser ruler with steel ruler, accurate and clear writing, not easy to wear. 2) Easy to use, comfortable to hold, and conversion chart attached to the ruler surface . 3) The humanized design is beautiful and generous, and the craftsmanship is superb and can be used for a long time. Specification: The color black Material: high quality aluminum alloy with matte black finish; Style: 17cm metric triangle ruler Size: 30.4 * 30.4 * 2.5cm Package: 1PC 30cm Metric Triangular Ruler