Set of 10 magnets 3/4" long x 1/2" wide x 1/8" thick (19.1 mm x 12.7 mm x 3.2 mm) Material: Neodymium (NdFeB) Grade: N48 Coating: Nickel (Ni) Magnetization: Through Thickness Pull Force: 8.5 pounds SKU# M34x12x18BL NEODYMIUM MAGNETS ARE NOT SAFE FOR CHILDREN