A close-up shot of a 12-inch triangular metal engineer's scale with metric markings and colored lines on a plain white background.
A realistic scale reference photograph of the 12'' STAEDTLER metal triangular ruler lying next to a standard pen on a light gridded drafting surface.
Macro photo of precision-engraved scale graduations and red anodized finish on a metal triangular ruler.
A creative director with an architectural blueprints, a steel ruler, and a pencil.
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Feature graphic for a STAEDTLER metal triangular engineer scale, detailing dimensions, laser etching, and other features.
Unboxing shot of metal Staedtler architectural scale ruler, secured in form-fitting foam and brown cardboard box.
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Scale trianglr 12'' metal Engr. BK

$20.75
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A close-up shot of a 12-inch triangular metal engineer's scale with metric markings and colored lines on a plain white background.

Scale trianglr 12'' metal Engr. BK

$20.75
Product description

Elevate your drafting precision with a professional-grade tool that combines artistic energy with structured reliability. This solid aluminum scale ensures your architectural measurements are flawlessly accurate, allowing you to focus on the creative vision of your blueprints without worrying about tool-slip or worn-out markings.

Designed for Professional Accuracy

Stop settling for light plastic scales that warp or slide. This professional matte black aluminum scale provides the steady weight required for high-stakes blueprints and technical drawings. You’ll experience high-contrast visibility and a smooth glide across your drafting table, ensuring every line you measure is exact.

Laser-Etched Durability
Enjoy markings that never fade or rub off, ensuring lifetime readability even with daily high-frequency use.
Non-Slip Stability
The weighted anodized aluminum construction prevents the scale from shifting while you work, protecting your paper and your patience.
Instant Scale Selection
Save time with color-coded grooves that let you identify and switch between 11 different architectural graduations in seconds.
Snag-Free Design
The smooth, professional matte finish allows the tool to move effortlessly over architectural vellum and standard papers.

Technical Fit & Reliability

Included Scales
3/32, 3/16, 1/8, 1/4, 1/2, 1, 3/8, 3/4, 1-1/2, 3 inches to the foot; plus 16ths on the edge.
Industry Ready
Verified for use on standard drafting tables, blueprint scaling, and architectural design verification.
Fast Canadian ShippingDuty-Free DeliveryVerified Manufacturer Quality
Shipping & Return

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Items can be returned or exchanged within 30 days of delivery.

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