Set of 10 magnets 3/4" diameter x 1/16" thick (19.1 mm x 1.6 mm) Material: Neodymium (NdFeB) Grade: N48 Coating: Nickel Magnetization: Axial Pull Force: ~ 4.6 pounds SKU# M34116DI Please note: ALL neodymium magnets are brittle, especially large, thin magnets such as these. Please use extra care when handling to avoid breakage. NEODYMIUM MAGNETS ARE NOT SAFE FOR CHILDREN