🔗 Stick with the Best—Your Projects Deserve It! Corrosion-resistant rings ensure longevity and reliability in any environment. With a size of 3/4" diameter x 1/8" thick, these magnets pack a punch without taking up space. Ideal for science projects, hobbies, and manufacturing—make your ideas stick! Perfect for home, office, school, crafts, and more—your creativity knows no bounds! Experience the strongest Grade 8 ferrite ceramic magnets on the market! Grade 8 strength 3/4" diameter Corrosion resistant The Performance Tool W12502 6Pc Ceramic Ring Magnets are powerful, corrosion-resistant magnets designed for a variety of applications, including home, office, and workshop use. Each magnet measures 3/4" in diameter and 1/8" thick, making them both compact and effective for all your creative and practical needs.