General description High-quality metal carpenter's square made of aluminum alloy, featuring excellent workmanship, high hardness, and rust resistance. This durable tool offers moderate toughness, ensuring no deformation and enhanced durability against falls. The coating is plump, uniform, flat, and smooth, surpassing other coating processes. Technical specifications Material: Aluminum alloy Size: 12 inches Angles: One 90° angle and two 45° angles Scale: Clear and precise stamping scale Measurement: Metric and inch sizes Compatibility and accessories Conversion table on the back for common rafter conversion Usage Ideal for woodworking manufacturing and decoration Useful for DIY enthusiasts Applicable in design drawings, direct cutting, decoration design, angle measurement, and hardware machinery measurement Suitable for office use