100pcs 8mm x 4mm super strong magnet d8x4mm magnets 8x4 magnet 84 d84 permanent magnet 8x4mm rare eart h 8mmx4mm magnet

shape: disc rod material: ndfeb grade: n35 coating: nickel product name: strong round ndfeb magnets n35 rare earth neodymium craft/diy magnet axial magnetized through thickness