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A red precision drawing circle ruler with a movable clamp is laid on a wooden workbench next to a metal ruler.

A hand holds a red precision drawing circle ruler with markings, demonstrating its use on a wooden surface.

A precision drawing circle ruler with a 300mm maximum span and a minimum span of 36.5mm, shown with concentric circles for me

A precision drawing circle ruler showing a 300mm scale and a radius range from 36.5mm to 300mm.

A red precision drawing circle ruler with a 300mm scale and adjustable features, shown against a blue circular guide.

A red precision drawing circle ruler with markings and a brass adjustment knob, shown against a blue circular guide.

A precision drawing circle ruler with a 300mm length and adjustable features shown in various views.

A red precision drawing circle ruler with a brass adjustment knob and markings.

A red precision drawing circle ruler with a brass adjustment mechanism.

A red precision drawing circle ruler measuring 300mm with a movable clamp.

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Precision 300mm Adjustable Drawing Circle Ruler

Name: Precision 300mm Adjustable Drawing Circle Ruler
Rating: 4.64 (14 reviews)

~~€25,99~~ €21,99

Color

Why customers love it

Achieve perfect precision in every drawing and cut

Elevate your woodworking, crafting, and DIY projects with this professional-grade aluminum drawing circle ruler.

Features an adjustable scale for versatile measurements.
Constructed from durable aluminum alloy for long-term use.
Includes a fixed-point gauge for superior line marking accuracy.
Compact and portable design makes it ideal for on-the-go work.
Suitable for both beginners and seasoned professionals.

Precision You Can Trust

Versatile Scale

Adjustable range allows you to measure tasks from fine detail up to large components.

Built to Last

Made from robust aluminum alloy ensuring longevity and reliability.

High Accuracy Marking

The fixed-point gauge ensures precise circle and line markings every time.

Portable Design

Compact and lightweight, perfect for taking your precision tool anywhere.

Product Specifications

Key Details

Technical attributes of the precision drawing ruler.

Material: Aluminum Alloy
Adjustable Scale Range: 36.5mm to 300mm
Primary Function: Drawing Circles and Lines

Feature

SmartPicksDIY

Typical alternative

Material Quality

Durable Aluminum Alloy

Standard Plastic or Thin Metal

Measurement Range

Up to 300mm Scale

Limited or Fixed Range

Marking Accuracy

Fixed-Point Gauge Included

Basic Edge Marking Only

Durability

High Longevity

Susceptible to Wear

Our worry-free shopping promise

If your order arrives damaged, defective, or not as described, contact us within 14 days and we will make it right with a replacement or refund.

Is this ruler suitable for detailed woodworking?

Yes, the precision and adjustable scale make it excellent for detailed work on wood and craft materials.

How accurate are the measurements?

The ruler is designed for high accuracy, especially when using the fixed-point gauge for critical measurements.

Can I use this on different materials?

It is perfect for drawing and marking on various craft materials, including wood, paper, and other suitable surfaces.

Is the aluminum durable?

Yes, it is constructed from a durable aluminum alloy designed for longevity and repeated use.

Shipping & returns

Shipping

Delivers to Germany (based on your selected country/region).
Estimated delivery: 3–15 business days after dispatch.
Shipping cost: Free.

Returns

You can request a return within 14 days after delivery. Standard returns have a €4.00 EUR (approximately $4.66 USD) flat-rate return shipping fee, deducted from your refund. Return shipping is free for items that arrived damaged, defective, or incorrect. Items should be unused and in original packaging where possible. Contact us before sending anything back.

Shipping policy Return & refund policy