Neodymium Rare Earth Magnets, Countersunk Mounting, 10 PackMagnet Details:Quantity: 10 Ring MagnetsSize: 0.625″ x 0.235″ (Outer Diameter x Thickness)Countersunk Hole Size: ~ 0.25″ x 0.13″ Screw Hole Size (#6)Attach a hook, eyebolt, etc. to the magnet to provide a great solution for hanging objects from various surfacesPull Force: ~ 2 lbCoating: Nickel-Copper-Nickel (Ni-Cu-Ni)Magnetization: AxiallyMaterial: Neodymium (NdFeB)UNKRP13313