**Product Specifications:**
**Brand:** Wusheng
**Model:** Functionrulers
**Specifications:**
- Ordinaryrules:
- Standard ruler with new upgrades
- Length: 20cm for multi-functional use, 15cm for limited drawing tools
- Features: Functions for drawing common mathematical shapes, measuring angles, and circles
- Functionrulers:
- Specifically designed for middle and high school math textbooks
- Includes function templates and ruler in one
- Set of four pieces for various mathematical tasks
**Key Features:**
- Upgraded ruler with 360° protractor for drawing circles and measuring angles
- Function templates for common math functions
- Durable and smooth edges made of high-transparency PS plastic
**Special Selling Points:**
1. Upgraded integrated ruler with 360° protractor for drawing circles and measuring angles
2. Practical function templates for common math functions
3. Convenient zipper bag for storage
**Material:** PS plastic
**Set Includes:** Four pieces
**Target Audience:** Suitable for all middle and high school students
**Additional Information:**
Equipped with various tools for drawing common mathematical functions
High-quality PS plastic construction for durability
Includes a zipper bag for easy storage and maintenance
Suitable for exam use with specialized features for drawing circles and measuring angles
**Note:** To ensure smooth rotation, apply a small amount of wax lubricant between the rotating disk and the base if needed.
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