Ruler Centrum 20 cm — metal/plastic precision measuring ruler, 20 cm length

Centrum 20 cm — metal/plastic precision measuring ruler, 20 cm length is a compact linear measuring tool designed for accurate measurements up to twenty centimetres. The ruler combines a metal edge with a plastic body to balance rigidity and lightness. Clear graduations in millimetres and centimetres support drawing, drafting and basic layout tasks in school, office or hobby environments.

Advantages

The metal edge provides a straight, wear-resistant guide for cutting and drawing while the plastic body keeps the ruler lightweight and easy to handle. Markings are high-contrast and uniformly spaced to allow reliable reading and precise alignment. Small size makes it portable and convenient for use in pencil cases, toolkits or on crowded work surfaces.

Suitable for

• School exercises and geometry tasks
• Office paperwork and document marking
• Hobby crafts, model making and scrapbooking
• Drafting simple layouts and technical sketches

Key specifications

• Length: 20 cm
• Material: plastic body with metal measuring edge
• Scale: millimetre and centimetre graduations
• Graduation visibility: high-contrast markings for easy reading
• Design: compact, straight-edge profile suitable for cutting and drawing

How to use

Place the ruler with the metal edge aligned to the line or point you need to measure or draw. Hold the ruler firmly to prevent slipping, then use a pencil, pen or cutting tool along the metal edge for a straight result. When measuring, read values at the corresponding graduation marks; for higher accuracy, view the scale at eye level and ensure the ruler is flat against the surface.

Usage recommendations

For cleaner cuts and longer edge life, use a sharp blade and minimal cutting pressure when running the cutting tool along the metal edge. Store the ruler flat or in a protective sleeve to avoid bending the plastic body and to maintain accurate graduations.