- C0808N45Dimension: 1/4" dia. x 1/4"Material: Sintered Neodymium MagnetGrade: N45Coating: NiCuNi(Nickel)$0.33C0808N52Dimension: 1/4" dia. x 1/4"Material: Sintered Neodymium MagnetGrade: N52Coating: NiCuNi(Nickel)$0.86C0812N45Dimension: 1/4" dia. x 3/8"Material: Sintered Neodymium MagnetGrade: N45Coating: NiCuNi(Nickel)$0.68C0812N52Dimension: 1/4" dia. x 3/8"Material: Sintered Neodymium MagnetGrade: N52Coating: NiCuNi(Nickel)$1.21C0816N40Dimension: 1/4" dia. x 1/2"Material: Sintered Neodymium MagnetGrade: N40Coating: NiCuNi(Nickel)$0.68C0816N52Dimension: 1/4" dia. x 1/2"Material: Sintered Neodymium MagnetGrade: N52Coating: NiCuNi(Nickel)$1.21C0820N40Dimension: 1/4" dia. x 5/8"Material: Sintered Neodymium MagnetGrade: N40Coating: NiCuNi(Nickel)$1.21C0824N40Dimension: 1/4" dia. x 3/4"Material: Sintered Neodymium MagnetGrade: N40Coating: NiCuNi(Nickel)$1.21C0828N40Dimension: 1/4" dia. x 7/8"Material: Sintered Neodymium MagnetGrade: N40Coating: NiCuNi(Nickel)$1.73