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 and uniform, providing a flat and smooth finish that surpasses 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 Conversion table: Common rafter conversion on the back Usage Ideal for a wide range of applications including woodworking, manufacturing, decoration, design drawings, direct cutting, angle measurement, and hardware machinery measurement. Suitable for DIY enthusiasts and office use.