Enhance your precision measurement and line drawing tasks with this high-quality Angle Ruler, crafted from premium high-carbon steel and aluminum alloy for unmatched durability and performance. Designed for professionals and DIY enthusiasts alike, this right-angle ruler offers exceptional accuracy, versatility, and convenience for carpentry, construction, machinery manufacturing, and other technical fields. Key Features: · Premium High-Carbon Steel Body: Made with 1.5mm thick hardened high-carbon steel, ensuring exceptional abrasion resistance and a long-lasting service life even in demanding environments. · Durable Aluminum Alloy Handle: Features a corrosion-resistant, lightweight, and stable handle made of high-strength aluminum alloy, providing superior grip and reliability during use. · Double-Sided Accurate Metric Scales: Equipped with precise metric markings on both sides, enabling flawless line drawing at multiple angles including parallel, perpendicular, and diagonal lines. · Innovative Porous Design: The unique porous structure with centimeter-spaced holes allows for quick positioning and highly accurate angle marking, while adding flexibility to the ruler body for easier angle adjustments. · Fall-Proof and Labor-Saving Handle: Specially engineered handle includes a fall prevention feature that stabilizes the tool on work surfaces, allowing hands-free operation to reduce fatigue and improve safety. · Adjustable Drawing Pin for Precise Angles: Comes with an adjustable pin that fits into preset holes to create exact angles from 0° to 90°, including standard right angles and 45° angles, enhancing functionality and adaptability for diverse marking needs. · Wide Application Range: Perfect for use in carpentry, engineering, metalworking, and other fields requiring precise angle measurement and layout marking. Specifications: · Name: Angle Ruler · Material: High-Carbon Steel + Aluminum Alloy · Available Sizes: 300mm, 400mm (optional) · Package Size:  - 300mm: 300 x 140 x 20mm (11.81 x 5.51 x 0.79in)  - 400mm: 400 x 140 x 20mm (15.75 x 5.51 x 0.79in) · Package Weight:  - 300mm: 103g (3.63oz)  - 400mm: 167g (5.89oz) Package Includes: · 1 x Angle Ruler This durable and multifunctional Angle Ruler provides reliable, precise measurements and line drawings with enhanced stability and ergonomic design. Its advanced features improve workflow efficiency and accuracy across a variety of professional and hobby applications, making it an essential addition to your toolkit.