Set of 10 magnets 1/2" long x 1/2" wide x 1/8" thick (12.7 mm x 12.7 mm x 3.2 mm) Material: Neodymium (NdFeB) Grade: N48 Coating: Gold (Au) Magnetization: Through Thickness Pull Force: 6.9 pounds SKU# M12x12AUBL The gold is an additional plating layer on top of the standard silvery nickel which is the surface of more common nickel plated magnets. This coating offers extra corrosion resistance and is of course pleasing to the eye. If you handling these magnets a lot, these may give you better durability. But, remember, ALL neodymium magnets are brittle and will break, crack or chip if not used with care.
