Durable Metal Compass: Retains its shape and won't bend or deform during use; the ergonomic compass head offers a comfortable grip. Suitable for professionals and students, meeting the needs of mathematics, geometry, drafting, and technical drawing. Non-Slip Lockable Student Drawing Compass: This adjustable screw-lock compass securely holds your chosen radius without shifting. Its sharp, stable tip easily draws smooth, consistent circles, suitable for practice problems, artistic sketches, and exam assignments, eliminating the need for repeated corrections. Fade-Resistant Transparent Ruler and Compass Set: This transparent measuring tool features deeply etched metric graduations that resist fading and scratches. The transparent design allows for perfect alignment of readings with paper, preventing costly measurement errors in assignments. Multi-Functional Geometry Compass Set: This set includes all the essential geometry tools: pencil, right angle ruler, straight ruler, protractor, compass, etc. No extra shopping required; all supplies are neatly organized. Easy to Store: Comes with a durable, shatterproof storage box to protect your tools and keep them organized in your backpack or desk. Convenient for carrying and storage. Suitable for doing homework for extended periods, it makes a lovely back-to-school gift for students.