<h2>Stainless Steel Protractor Angle Ruler – 180° Precision Goniometer</h2> <p>Whether you're a seasoned carpenter, a hobbyist woodworker, or a dedicated DIY enthusiast, this <strong>stainless steel protractor angle ruler</strong> is the precise, durable measuring companion you need. Featuring a full 180-degree semi-circular scale with double graduation, it makes drawing radial lines, setting bevels, and transferring angles effortless and accurate every time.</p> <h3>Key Features</h3> <ul> <li> <strong>180° Double Graduation Scale:</strong> Clearly marked 0–180° dual-side graduation for quick, accurate angle readings in either direction.</li> <li> <strong>Premium Polished Stainless Steel:</strong> Crafted from high-quality stainless steel for lasting durability and resistance to corrosion and heavy workshop use.</li> <li> <strong>Brass Locking Nut:</strong> Secure your measured angle firmly in place with the reliable brass locking nut — no slipping, no re-measuring.</li> <li> <strong>Compact 14cm (198 x 53 x 14mm) Size:</strong> Perfectly sized for comfortable handling and precise maneuvering in tight spots or on detailed projects.</li> <li> <strong>Versatile Applications:</strong> Ideal for carpentry, woodworking, metalworking, drafting, tile laying, and general DIY projects — anywhere accurate angle measurement matters.</li> <li><strong>Made in Mainland China.</strong></li> </ul> <h3>Specifications</h3> <ul> <li> <strong>Material:</strong> Polished Stainless Steel with Brass Locking Nut</li> <li> <strong>Size:</strong> Approx. 198 × 53 × 14 mm / 7.80 × 2.09 × 0.55 in</li> <li> <strong>Angle Range:</strong> 0–180° (Double Graduation)</li> <li> <strong>Color:</strong> Silver (Polished Steel)</li> <li> <strong>Condition:</strong> Brand New</li> </ul> <h3>Perfect for Your Workshop</h3> <p>From setting precise bevel cuts to transferring angles onto your workpiece, this goniometer protractor ruler is an indispensable addition to any toolbox. Pair it with other precision tools and organizers from our store:</p> <ul> <li><a href="/products/screw-extractor-drill-bit-set-carbon-steel-double-sided">Screw Extractor Drill Bit Set 5 &amp; 6 Pc – Carbon Steel</a></li> <li><a href="/products/walnut-wood-coffee-tamper-mat-station-stand-51-53-58mm">Walnut Wood Coffee Tamper Mat Station Stand 51/53/58MM</a></li> <li><a href="/products/adjustable-label-roll-holder-3d-printed-thermal-printer-stand">Adjustable Label Roll Holder – 3D Printed Thermal Printer Stand</a></li> </ul> <p>Learn more: <a href="https://www.osha.gov/eye-face-protection" target="_blank" rel="noopener">OSHA on eye and face protection</a></p> <h3>Frequently Asked Questions</h3> <h4>Q: What material is this protractor angle ruler made from?</h4> <p>A: This goniometer protractor ruler is made from high-quality polished stainless steel with a brass locking nut, ensuring durability, corrosion resistance, and long-lasting precision for carpentry and DIY use.</p> <h4>Q: What is the measurement range of this stainless steel angle ruler?</h4> <p>A: The ruler features a 180-degree semi-circular design with double graduation from 0 to 180 degrees, allowing you to measure, set, and transfer angles accurately in both directions on a single tool.</p> <h4>Q: Is the brass locking nut secure enough for workshop use?</h4> <p>A: Yes! The brass locking nut firmly holds your set angle in position, preventing any slippage during use — making it reliable for marking, cutting, and transferring angles on wood, metal, tile, and more.</p> <!-- production-packaging-notice --> <h3>Production &amp; Packaging Notice</h3> <p>To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.</p> <script type="app