Triangle Ruler Set 20CM & 30CM – Drafting & Woodworking Rulers

Professional Triangle Ruler & Protractor Set for Drafting, Woodworking & Design

Elevate your technical drawing, woodworking, and interior design projects with this high-quality Isosceles Triangle Ruler Set. Available in 20CM and 30CM sizes, these precision plastic rulers are crafted for professionals and hobbyists who demand accuracy and clarity in every line they draw.

Why You'll Love This Ruler Set

• Precise Measurements: Clearly etched, easy-to-read markings for fast and accurate drafting every time.
• Durable Plastic Construction: Made from high-quality, rigid plastic that resists warping and bending, ensuring long-lasting performance.
• Isosceles Triangle Design: The symmetrical shape provides balanced handling for drawing consistent angles and straight lines.
• Multi-Purpose Use: Ideal for woodworking layouts, architectural drafting, interior design sketches, classroom use, and general hand-drawing tasks.
• Two Size Options: Choose the compact 20CM ruler for detail work or the larger 30CM for wide-span drawings — or use both together for maximum versatility.
• Non-Folding, Rigid Form: Stays perfectly flat on your work surface for consistent, reliable results.
• Model: K109

Product Specifications

• Material: Plastic
• Sizes Available: 20CM / 30CM
• Type: Isosceles Triangle Ruler / Protractor
• Folded: No (rigid, non-folding)
• Model Number: K109
• Made in Mainland China

Perfect For

• Woodworking & Carpentry Layout
• Interior Design & Architecture Drafting
• Engineering & Technical Drawing
• Student & Classroom Use
• DIY Home Projects & Crafting

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Frequently Asked Questions

Q: What sizes does this triangle ruler set come in?

A: This professional triangle ruler is available in two sizes — a compact 20CM version ideal for detailed work and a larger 30CM version suited for wide-span technical drawings and woodworking layouts. You can choose whichever size best fits your project needs.

Q: What material is this drafting ruler made from?

A: The ruler is made from high-quality, durable plastic that is rigid and warp-resistant. This ensures your measurements remain accurate over extended use, whether on a drawing board, workbench, or design table.

Q: Is this ruler suitable for professional woodworking and interior design use?

A: Yes! This isosceles triangle ruler is specifically designed for professional applications including woodworking, interior design drafting, architectural drawing, and technical illustration. Its clear markings and stable form make it a reliable tool for both professionals and students alike.

Production & Packaging Notice

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.