Set of 1 magnet 2" OD x 1" ID x 1/4" thick (50.8 mm x 25.4 mm x 6.4 mm) Material: Neodymium (NdFeB) Grade: N48 Coating: Nickel (Ni) Magnetization: Axial Pull Force: 24.46 pounds SKU# M2114R OD = Outder Diameter ID = Inner Diameter