- AOMAG model 7-303578JFA ferrite magnetic ring magnet, designed for industrial and scientific applications - Made of high-quality C8 ceramic, with ISO9001:2008 certification ensuring durability and performance - Exact measurements: outer diameter 100 mm, inner diameter 60 mm, thickness 20 mm, tolerance of +/-0.05 mm - High-strength permanent magnets, ideal for clamping, separation, filtering, and experiments - Black color, durable finish, and suitable for intensive use in industrial environments - Includes 1 ceramic magnetic ring, easy to install and handle - Recommended for maintenance, laboratories, workshops, and engineering projects - Product optimized for maximum magnetic efficiency and long service life