300pcs d4mmx2mm magnet d4x2mm magnets 4mm2mm n35 magnet 42 d42 permanent magnet 4x2mm rare earth 4mm x 2mm magnet 4x2 magnet 4mmx2mm

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