Ruler Centrum 26 cm plastic model 86621 — transparent measuring ruler

Plastic ruler Centrum model 86621 is a 26 cm transparent measuring ruler designed for accurate linear measurements on paper and other thin materials. The clear plastic construction provides unobstructed visibility of markings and the work surface beneath, enabling precise placement and measurement for drawing, drafting and general office or school tasks. The ruler is lightweight and portable, with smooth edges for comfortable handling and easy cleaning after use.

Advantages

The transparent plastic body allows users to see underlying lines and text, improving alignment and accuracy. A 26 cm length covers most standard paper formats while remaining compact enough for pencil cases or desk drawers. The ruler's printed graduations are easy to read and intended for routine measuring and drawing tasks. Its simple, durable design requires minimal maintenance and is suitable for everyday use in classrooms, design studios and offices.

Suitable for

• Drawing and drafting on paper
• School geometry and classroom activities
• Everyday office measuring and layout tasks
• Hobby and craft projects requiring straight lines

Key specifications

• Material: transparent plastic
• Length: 26 cm
• Measurement type: linear graduations in centimeters and millimeters
• Edge: straight, smooth for drawing and cutting guides
• Finish: clear, washable surface

How to use

Place the ruler directly on the paper or material with the zero mark aligned to the starting point of measurement. Hold the ruler firmly with one hand to prevent slipping and draw or measure along the straight edge with a pencil, pen or cutter as needed. For best visibility, keep the workspace well lit and ensure the ruler lies flat against the surface. Clean with a soft cloth and mild detergent if necessary to remove marks or adhesive residue.

Usage recommendations

Store the ruler flat or in a pencil case to avoid warping. Avoid exposure to high heat or bending forces to maintain straightness and measurement accuracy. For precise drafting, use in combination with a cutting mat or T-square as required.