30 Neodymium Magnets 1/4 x 1/8 x 1/8 inch Ring N48
ONE lot of 30 Magnets. Size: 1/4" OD x 1/8" ID x 1/8" thick Nickel (Ni) Plated (silver-like shine) Grade: N48 - Extremely powerful magnetic material OD = Outer Diameter ID = Inner Diameter The metal coating is durable, but ALL Neodymium magnets can chip or shatter. If used gently, these magnets can serve you for a lifetime.