Eisco Labs Ceramic Ring Magnets – 1.375" Outer Diameter, 0.75" Inner Diameter, 0.3125" Thick – Pack of 8 High-Strength Ferrite Rings

The Eisco Labs Ceramic Ring Magnets are high-quality ferrite magnets designed for durability, strength, and versatile use in science, engineering, and educational applications. Measuring 1.375" outer diameter, 0.75" inner diameter, and 0.3125" thick, these magnetic ceramic rings provide reliable performance for experiments, craft projects, and demonstrations. Supplied in a convenient pack of 8, they are perfect for physics classrooms, magnetism experiments, and hands-on STEM learning.