CMS Magnets Powerful Rare Earth Neodymium Cup Magnet 249 LB Pull Power 0.59" Thick x 2.36" Diameter - 1 Ct. 100% MONEY-BACK GUARANTEE! Our Magnets Are Guaranteed 100% This is a ZERO Risk purchase for you today. TOP QUALITY GUARANTEED-Our Powerful Magnetic Discs are Forged from rare earth metals A combination of neodymium iron & Boron(NdFeB) using CMS Patented Manufacturing Process Under Our Strict Quality Assurance Plans & Quality Control Procedures. These Gems are Triple Plated with a (Ni-Cu-Ni) Nickel Copper Nickel Coating for Structural & Corrosion Protection Creating That Beautiful Chrome Color Finish. Magnet is Protected by the steel case Countersunk hole good for flat head 3/8" scew Handy assembly for holding, lifting, positioning, retrieving, and more