General description High-quality metal carpenter's square made of durable aluminum alloy, featuring excellent workmanship, high hardness, and rust resistance. This square is designed to withstand falls without deformation, ensuring longevity and reliability for carpenters and engineers alike. Technical specifications Material: Aluminum alloy Size: 12 inches Angles: One 90° angle and two 45° angles Scale: Clear and precise stamping scale with metric and inch sizes Coating: Plump, uniform, flat, and smooth 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 Convenient for office use Other information Features a conversion table on the back for common rafter conversions Laser marking technology for high precision 100% satisfaction guarantee