<h2>Aluminum Alloy Combination Square Ruler – Precision Woodworking Angle &amp; Measurement Tool</h2> <p>Take your woodworking and DIY projects to the next level with this professional-grade <strong>Aluminum Alloy Combination Square Ruler</strong>. Designed for carpenters, cabinet installers, hobbyists, and home renovators, this versatile tool delivers accurate 90° and 45° angle measurements every time — making every cut, joint, and layout perfectly precise.</p> <p><em>Made in Mainland China.</em></p> <h3>Key Features</h3> <ul> <li> <strong>Lightweight Aluminum Alloy Base:</strong> The sturdy 10 cm (3.94") base features an integrated bubble level vial, giving you instant alignment checks — ideal for cabinet installers working on uneven walls or surfaces.</li> <li> <strong>410 Stainless Steel Ruler:</strong> The 30 cm (11.8") ruler is engineered from robust 410 stainless steel with deeply engraved, wear-resistant markings for reliable, long-lasting measurements in home studios, workshops, and job sites.</li> <li> <strong>Versatile Angle Finder:</strong> Lock your desired angle with ease for precise marking and layout work. The smooth sliding mechanism allows seamless transitions between 90° and 45° measurements, streamlining your assembly tasks.</li> <li> <strong>Dual Metric Scale (0–300 mm):</strong> Clear dual metric graduations ensure precise alignment to the millimeter, minimizing costly measuring mistakes on any project.</li> <li> <strong>Built-in Bubble Level:</strong> Quickly confirm horizontal and vertical alignment without needing a separate level — a time-saving addition for framing, shelf installation, and more.</li> <li> <strong>Professional Yet Accessible:</strong> Perfect for weekend hobbyists installing kitchen cabinets, framing artwork, building custom shelves, or tackling any home remodeling task.</li> </ul> <h3>Specifications</h3> <ul> <li> <strong>Material:</strong> Aluminum alloy base + 410 stainless steel ruler</li> <li> <strong>Ruler Length:</strong> 30 cm / 11.8"</li> <li> <strong>Base Length:</strong> 10 cm / 3.94"</li> <li> <strong>Measurement Range:</strong> 0–300 mm</li> <li> <strong>Angle Range:</strong> 45° and 90°</li> <li> <strong>Battery Required:</strong> No</li> <li> <strong>Origin:</strong> Mainland China</li> </ul> <h3>What's in the Box</h3> <ul> <li>1 × Combination Square Ruler</li> </ul> <h3>Related Products You May Like</h3> <ul> <li><a href="/products/garden-pruner-shears-secateurs-bonsai-fruit-trees">Garden Pruner Shears – Secateurs for Bonsai &amp; Fruit Trees</a></li> <li><a href="/products/18-pc-basswood-carving-blocks-whittling-wood-kit">18 Pc Basswood Carving Blocks – Whittling Wood Kit for Carvers</a></li> <li><a href="/products/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy">Air Compressor Pressure Gauge 0-10/0-12/0-25 Bar | DIY Tool</a></li> </ul> <p>Learn more: <a href="https://www.osha.gov/personal-protective-equipment" target="_blank" rel="noopener">OSHA on personal protective equipment</a></p> <h3>Frequently Asked Questions</h3> <h4>Q: What angles can this combination square ruler measure?</h4> <p>A: This combination square ruler is designed to measure and mark both 90-degree and 45-degree angles. The smooth sliding mechanism lets you lock your desired angle quickly and accurately, making it ideal for woodworking cuts, cabinet installation, and general DIY layout work.</p> <h4>Q: Is the ruler scale metric or imperial?</h4> <p>A: The ruler features dual metric scales with a measurement range of 0–300 mm (approximately 11.8"), allowing for precise millimeter-level accuracy on all your woodworking and home improvement projects.</p> <h4>Q: What materials is this tool made from?</h4> <p>A: The base is constructed from lightweight yet durable aluminum alloy (10 cm / 3.94"), while the ruler itself is made from 410 stainless steel with deeply engraved, wear-resistant markings for long-term reliable use.</p> <h4>Q: Does this tool