30× 3 mm Round Black Ferrite Magnets – Pack of 6

Powerful round ferrite magnets perfect for resin art projects and craft applications. Each magnet measures 30mm in diameter with a 3mm thickness, offering strong holding power for securing components, closures, and decorative elements.

This pack includes 6 black ferrite magnets — ideal for embedding in resin castings, jewelry pieces, or functional art installations. Ferrite magnets are durable, corrosion-resistant, and maintain consistent magnetic strength over time. Great for artists, hobbyists, and DIY enthusiasts working on magnetic jewelry, decorative boxes, wall hangings, and interactive resin designs.