MagnaKoys® Rare Earth Neodymium Magnet SET for Hammond Box Mod 1- 4 pieces of 1/4" x 1/8" Disc for the Lid 2- 4 pieces of 1/8" x 1/4" Cylinder for the Box 3- Total 8 Magnets Tolerances: ±0.004" x ±0.004" Material: NdFeB Plating/Coating: Ni-Cu-Ni (Nickel) Magnetization Direction: Axial (Poles on Flat Ends) We have other magnets sizes available Buy MagnaKoys® Quality products.***Fast Shipping*** Thank you for looking!!