Multifunctional Square Ruler The Multifunctional Square Ruler is a high-precision measuring and marking tool designed for professional woodworkers, DIY enthusiasts, and craftsmen. Crafted from premium carbon steel and aluminum alloy, it combines accuracy, durability, and portability in one compact device. Key Features: ✅ Premium Carbon Steel Build – Rust-resistant, wear-proof, and impact-tolerant. ✅ Adjustable Scale Limiter – Easily set exact measurement points for consistent markings. ✅ Compatible with Multiple Ruler Sizes – Clamps securely on 30mm-wide steel rulers. ✅ Compact & Lightweight – Easy to store and ideal for mobile job sites. ✅ Perfect for Joinery & Wood Layouts – Ideal for carpenters, hobbyists, and makers. Specs: Ruler Length: 300mm / 400mm Ruler Width: 30mm Ruler Thickness: 5mm Angle Base Thickness: 18mm Material: Aluminum Alloy + Carbon Steel