Safe No Metal Compass Lock-Distance Drawing Circles Tool Durable Drawing Compass School Office

Label:Yes Feature: Exam-Approved, Built-in Scale, Lock-able Design, Replaceable Leads Color:Grey,Blue,Purple Name:Drawing Compass Max Drawing Diameter: 300mm(11.81in) Applicable Users: Primary School Students, Middle School Students Material:Plastic Size:138mm(5.43in)

Features: 1. Zero-metal Safe Design for Exams: Made of all-plastic material, no sharp metal parts, fully compliant with exam rules and allowed in examination rooms, safe for students to use. 2. Built-in Scale for Easy Reading: Integrated millimeter scale with red indicator, directly read radius without extra ruler, accurate size control for circles drawing. 3. Rotary Lock Structure: Adjustable knob locks the span stably, keeps the radius fixed during drawing, ensures precise circle making, prevents slipping and size deviation. 4. Large-Range Drawing Capacity: Max drawing diameter up to 14cm(5.51in), supports drawing both small standard circles and extra-large circles for diverse geometry needs. 5. Convenient Replaceable Bullet-style Leads: Comes with 3 spare lead refills, thick-and-dark writing mark, easy back-insert replacement, no sharpening required for long-term use. 6. Lightweight & Ergonomic: Compact 138mm(5.43in) size, ergonomic handle, comfortable grip, smooth drawing experience for primary and middle school students.

Note: 1.Due to the light and monitors effect, colors may have lightly difference. 2.Please allow slightly size errors due to manual measurement. Thank you for your understand! 3.1cm=0.39''.

Packing: 1pc x Drawing Compass + 3pcs x Lead Refills