Plastic Drawing Compass with Lock, Scale & Lead Refills
Plastic Drawing Compass with Lock, Scale & Lead Refills
Precision Circle Drawing Made Easy & Safe for Students
Meet the ultimate geometry compass designed with students in mind. Built entirely from durable plastic with zero metal parts, this exam-approved drawing compass is safe to bring into examination rooms and classrooms alike. Whether you're tackling geometry homework or technical drawing projects, this compass delivers accurate, consistent circles every time — no extra ruler needed.
Made in Mainland China.
Key Features
- Zero-Metal Safe Design: Constructed from all-plastic materials with no sharp metal components, fully compliant with exam regulations and safe for primary and middle school students.
- Built-in Millimeter Scale: An integrated scale with a red indicator lets you read the radius at a glance — draw circles with confidence and accuracy without reaching for a separate ruler.
- Rotary Lock Mechanism: The adjustable locking knob secures the span firmly in place, keeping your chosen radius stable throughout the entire drawing process to prevent slipping or size deviation.
- Wide Drawing Range: Supports a maximum drawing diameter of up to 300 mm (11.81 in), making it suitable for both small standard circles and large-scale geometry diagrams.
- Replaceable Bullet-Style Leads: Comes complete with 6 spare lead refills — thick, dark marks for clear visibility. Easy back-insert replacement means no sharpening is ever required.
- Lightweight & Ergonomic: At just 68 g and 15 cm (5.91 in) in length, this compact compass features a comfortable ergonomic handle for smooth, fatigue-free drawing sessions.
Specifications
| Material | Plastic |
| Weight | 68 g |
| Length | 15 cm (5.91 in) |
| Available Colors | Red, Blue, Black |
| Max Drawing Diameter | 300 mm (11.81 in) |
| Package Size | 17.2 × 11 × 2.7 cm (6.77 × 4.33 × 1.06 in) |
| Suitable For | Primary & Middle School Students |
What's in the Box
- 1 × Drawing Compass
- 6 × Lead Refills
Notes
- Colors may vary slightly due to monitor settings and lighting conditions.
- Please allow minor size tolerances due to manual measurement.
You Might Also Like
- Picnic Box Metal Cutting Dies Stencils for DIY Scrapbooking
- Leather Hole Punch Tool | DIY Stitching Punch 4/5/6mm
- Airtight Transparent PET Storage Bottle | Beads & Crafts
Learn more: OSHA on eye and face protection
Frequently Asked Questions
Q: Is this drawing compass allowed in official exams and examination rooms?
A: Yes! This compass is made entirely of plastic with no metal parts, making it fully exam-approved and compliant with standard examination room rules. It's safe for primary and middle school students to use during tests and exams.
Q: How do I replace the lead refills in this compass?
A: The compass features a convenient bullet-style back-insert lead system. Simply slide the old lead out from the back and insert one of the included spare leads. No sharpening is required — the leads are ready to use right out of the package.
Q: What is the maximum circle size this compass can draw?
A: This drawing compass supports a maximum drawing diameter of 300 mm (11.81 in), making it versatile enough for both small standard geometry circles and large-format diagrams.
Q: How does the built-in scale work?
A: The compass has an integrated millimeter scale along the arm, paired with a red indicator. As you adjust the span, the indicator points to the current radius measurement — allowing you to set precise circle sizes without needing a separate ruler.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.