Multi-function: the metric triangle ruler can be used as a protractor, miter gauge, line scriber, saw guide and three-meter square, as a frame and as a ruler, ideal for all construction and renovation projects Size: 26 cm * 18.6 cm * 18.5 cm, Weight: 225 g High quality: the carpenter square is made of high-quality aluminum alloy with a matte black finish to prevent glare, corrosion-resistant and durable, not easy to break Suitable for: useful triangle engineer protractor for hobbyists, home builders, manufacturers, artists High precision: its thick cutting edge can be used directly with the saw against the square to make cross or angled cuts using the engraved protractor scale, allowing you to quickly and accurately mark your cutting lines on your stringers More details: 7'' Aluminum Rafter Angle Body Made of solid aluminum with machined edges for increased accuracy and durabilitySpecifications: File Type (Optional): Metric Material: Aluminum AlloyColor: BlackSize: 26x18.6x18.5cmWeight: About 225g Package Included:1 x Protractor"