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Precision-Engineered for Professionals
When your projects demand strict adherence to geometric standards, the STAEDTLER Mars 978 45S-02 delivers the reliable structure you need. This professional-grade 45-degree isosceles set square is built to empower architects, engineers, and art students with a tool that remains perfectly straight and warp-resistant over years of heavy use.
Anti-Smudge inking Edge
The specialized recessed edge lifts the tool away from the paper, allowing technical pens and markers to glide without ink bleed or smudging.
The specialized recessed edge lifts the tool away from the paper, allowing technical pens and markers to glide without ink bleed or smudging.
Anti-Glare Smoke Tint
The high-quality transparent plastic features a distinct smoke tint, reducing eye strain and glare when working on bright white drafting boards.
The high-quality transparent plastic features a distinct smoke tint, reducing eye strain and glare when working on bright white drafting boards.
Impact-Resistant Build
Crafted from durable materials designed to survive busy design studios and classrooms while maintaining edge integrity.
Crafted from durable materials designed to survive busy design studios and classrooms while maintaining edge integrity.
ISO Standard Accuracy
Manufactured to strict ISO standards, ensuring your 45° and 90° angles stay mathematically perfect every time.
Manufactured to strict ISO standards, ensuring your 45° and 90° angles stay mathematically perfect every time.
Designed for Your Workflow
Whether you are crafting vertical lines with a T-square or developing intricate diagonal grids, this 175mm isosceles triangle provides the grip and visibility necessary for detailed manual layouts and architectural drafting.
Secure Quality & Canadian Logistics
Shop with confidence. This genuine STAEDTLER tool is distributed through local Canadian warehouses for fast, duty-free shipping across the country.
Shop with confidence. This genuine STAEDTLER tool is distributed through local Canadian warehouses for fast, duty-free shipping across the country.
Free shipping over $50.00 🚚
We want you to be 100% satisfied with your purchase.
Items can be returned or exchanged within 30 days of delivery.