- R320604N40Dimension: 1" od x 3/16" id x 1/8"Material: Sintered Neodymium MagnetGrade: N40Coating: NiCuNi(Nickel)$3.48R320616N45Dimension: 1" od x 3/16" id x 1/2"Material: Sintered Neodymium MagnetGrade: N45Coating: NiCuNi(Nickel)$12.23R321632N45Dimension: 1" od x 3/16" id x 1"Material: Sintered Neodymium MagnetGrade: N45Coating: NiCuNi(Nickel)$26.23R321008N42Dimension: 1" od x 5/16" id x 1/4"Material: Sintered Neodymium MagnetGrade: N42Coating: NiCuNi(Nickel)$5.23R321008N52Dimension: 1" od x 5/16" id x 1/4"Material: Sintered Neodymium MagnetGrade: N45Coating: NiCuNi(Nickel)$6.98R321216N40Dimension: 1" od x 3/8" id x 1/2"Material: Sintered Neodymium MagnetGrade: N40Coating: NiCuNi(Nickel)$12.23R321608N45Dimension: 1" od x 1/2" id x 1/4"Material: Sintered Neodymium MagnetGrade: N45Coating: NiCuNi(Nickel)$6.98R321616N45Dimension: 1" od x 1/2" id x 1/2"Material: Sintered Neodymium MagnetGrade: N45Coating: NiCuNi(Nickel)$12.23R321632N40Dimension: 1" od x 1/2" id x 1"Material: Sintered Neodymium MagnetGrade: N40Coating: NiCuNi(Nickel)$22.73