3/4" x 1/4" Disc Rare Earth Neodymium Magnet Nickel Coated Grade N52 Very Powerful

3/4" x 1/4" Disc Grade N52 Nickel Coated Neodymium Rare Earth Magnet. Exceptionally powerful.  Case 1 pull force 23.52 lbs. Case 2 pull force 53.02 lbs. BRMAX 14,800 gauss. Surface Gauss  3302, BRMAX 52MGOe,    These are very serious industrial grade magnets and must be handled appropriately with extreme care.