Drawing set Centrum 200-15471 — compass, graphite, triangle ruler

The Centrum Drawing Set 200-15471 includes a precision compass with a graphite insert and a plastic triangle ruler designed for basic technical drawing and school use. This compact kit supplies the essential instruments to draw accurate circles, arcs and straight angled lines. The compass offers adjustable span for various circle sizes while the triangle ruler provides common angle guides useful in geometry lessons, drafting exercises and everyday school tasks.

Advantages

The set combines a metal compass with a replaceable graphite insert and a durable plastic triangle ruler that is lightweight and easy to carry. The compass mechanism allows smooth, controlled adjustments to set precise radii, and the included graphite insert delivers consistent marking on paper. The triangle ruler features clear edges for drawing straight lines and standard angles, making the set convenient for classroom use and quick sketching.

Suitable for

• School geometry and math lessons
• Technical drawing basics and drafting practice
• Art classes, sketching and hobby projects
• Homework, examinations and portable study kits

Key specifications

• Contents: compass with graphite insert and triangle ruler
• Compass: adjustable span for multiple circle diameters
• Graphite: replaceable insert suitable for standard paper
• Triangle ruler: plastic construction with common angle guides
• Portable, lightweight design for classroom and travel use

How to use

To draw a circle, place the compass point firmly at the chosen center and open the legs to the desired radius, then rotate the compass smoothly while keeping the pivot steady. For arcs or partial circles, adjust the span accordingly and mark from the pivot. Use the graphite insert as the drawing tip; replace it when the line quality decreases. To draw straight lines or set angles, align the triangle ruler edges with existing reference points and trace along the edge with a pencil or pen. Handle the compass point carefully to avoid puncturing surfaces when not in use.

Usage recommendations

Store the compass with the graphite insert retracted or capped to protect the tip and prevent damage to other items. Use on a stable, flat surface for best accuracy and replace the graphite insert with compatible leads when worn. Keep out of reach of very young children due to the sharp pivot point.