Scale ruler Staedtler Mars 561 300 mm Plastic White

The Staedtler Mars 561 scale ruler is a 300 mm single-piece reduction scale ruler made of durable white plastic and produced in Germany. It is designed for precise linear measurement and scaling in technical drawings, architectural plans and model-making, offering a clean, professional appearance and reliable construction for everyday use.

Advantages

The plastic construction provides lightweight durability and resistance to warping. A 300 mm length balances portability with sufficient measuring range for detailed tasks. The white finish offers clear contrast for printed or drawn lines, and German manufacture ensures consistent quality and dimensional accuracy.

Suitable for

• Technical drawing and drafting
• Architectural plans and scale layouts
• Model-making and scale conversion
• Education and classroom use

Key specifications

• Brand: Staedtler
• Model: Mars 561
• Length: 300 mm
• Material: Plastic
• Color: White
• Package: Blistercard containing 1 reduction scale ruler
• MPN: 561 98-DINBK
• EAN: 4007817148105

How to use

Place the scale ruler on the drawing surface aligned with the datum or reference line and read the scaled measurements according to the printed scale graduations. Use the appropriate scale marking for converting dimensions between drawing and real-world size. Hold the ruler steady while marking or drawing to ensure accuracy.

Recommendations

Store the ruler flat and away from direct heat or prolonged sunlight to prevent deformation; clean with a soft cloth and mild detergent if needed. For precise work, verify calibration against a known standard before critical measurements.