Two Pcs Big Ol Ferrite Ring Magnets Grade 10 For Science Experiments Industrial Educational And DIY Projects 4 Inch Outer Diameter 2.36 Inch Inner Diameter 0.79 Inch Thick
✔️ 100 mm OD, 60 mm ID, 20 mm thick, Grade 10 ceramic ring magnets
These large ferrite donut magnets are built for heavy-duty use in classrooms, labs, workshops, and industrial setups. They deliver strong magnetic hold on ferrous surfaces, perfect for organizing tools, securing components, and powering science demos.
✅ 4 in OD x 2.36 in ID x 0.79 in thick (100 mm x 60 mm x 20 mm) donut magnets with smooth edges
✅ Grade 10 ceramic ferrite delivers strong pull and stable adhesion
✅ Durable, corrosion-resistant, and demagnetization resistant
✅ Pack of 2 with safety-rounded edges for easy handling
✅ Ideal for tool organization, lab demos, classroom projects, and DIY builds
💡 What is a large ferrite ring magnet best used for in education, research, and industry? These handy magnets shine in demos and real-world setups. - Handy for securing tools, fixtures, and project parts in labs and workshops - Great for demonstrating magnetic fields and science experiments - Ideal for attaching metal organizers and workpieces in industrial settings