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50cm plastic blackboard protractor 180 degrees with built-in handle for classroom geometry teaching

Plastic Protractor 180° 50cm

Measuring Instruments
MEA00701
Part.No: 110620
€6.50
Out of Stock

This 180° blackboard protractor is an essential geometric tool, specifically designed for classroom demonstrations. Featuring a base length of 50cm, it is manufactured from highly durable plastic and includes a built-in handle for a secure, steady grip against vertical surfaces. It is the perfect choice for teachers, tutors, and schools looking for reliable, ergonomic teaching equipment with large, highly visible digits for accurate angle measurement.

 

The Essential Equipment for Every Classroom Board

Teaching geometry and measuring angles on a board requires tools that combine absolute precision, ease of use, and long-lasting durability. This specialized measuring instrument is designed to facilitate the educator's daily tasks, featuring large, highly visible digits that ensure a clear view for students, while its robust construction guarantees it will withstand the rigors of everyday classroom use.

  • Scale Clarity: Bold, fade-resistant degree numbering (up to 180°) with large digits for effortless reading from anywhere in the classroom.
  • Durability: Made of high-quality shatterproof plastic, offering maximum resistance to accidental drops and daily wear and tear.
  • Ergonomics: Features an ergonomic built-in handle at the center, allowing for a steady one-handed grip and precise placement of the tool's baseline.

Frequently Asked Questions

Q: Is it safe for use on whiteboards?
A: Yes, the protractor's material and specially smoothed edges ensure it glides smoothly across the board without scratching or damaging sensitive whiteboard or chalkboard surfaces.

Q: Why is the built-in handle important for blackboard tools?
A: The handle allows the educator to apply even pressure to the center of the instrument. This is crucial for keeping the protractor perfectly stable while measuring or drawing an angle on a vertical surface like a classroom board.

Tool Type Protractor (180 Degrees)
Base Length / Size 50cm
Material Plastic (Shatterproof)
Scale Type Degrees (0° - 180°)
Intended Use Blackboard / Whiteboard (Classroom)
Special Feature Built-in Grip Handle
Maintenance:
Tip: To keep the numbering and graduations crisp and visible over time, avoid cleaning the instrument with harsh solvents, abrasive cleaners, or rubbing alcohol. A soft, damp cloth is highly recommended.
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